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13023000 = 2332531447
BaseRepresentation
bin110001101011…
…011100011000
3220111122012100
4301223130120
511313214000
61143043400
7215456634
oct61533430
926448170
1013023000
117395411
124440560
13290c823
141a2ddc4
151223a00
hexc6b718

13023000 has 96 divisors (see below), whose sum is σ = 44048160. Its totient is φ = 3470400.

The previous prime is 13022963. The next prime is 13023013. The reversal of 13023000 is 32031.

It is a happy number.

13023000 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8277 + ... + 9723.

It is an arithmetic number, because the mean of its divisors is an integer number (458835).

Almost surely, 213023000 is an apocalyptic number.

13023000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22024080).

13023000 is an abundant number, since it is smaller than the sum of its proper divisors (31025160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13023000 is a wasteful number, since it uses less digits than its factorization.

13023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474 (or 1457 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 13023000 is about 3608.7393920869. The cubic root of 13023000 is about 235.2720555295.

Adding to 13023000 its reverse (32031), we get a palindrome (13055031).

The spelling of 13023000 in words is "thirteen million, twenty-three thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 30 36 40 45 50 60 72 75 90 100 120 125 150 180 200 225 250 300 360 375 450 500 600 750 900 1000 1125 1447 1500 1800 2250 2894 3000 4341 4500 5788 7235 8682 9000 11576 13023 14470 17364 21705 26046 28940 34728 36175 43410 52092 57880 65115 72350 86820 104184 108525 130230 144700 173640 180875 217050 260460 289400 325575 361750 434100 520920 542625 651150 723500 868200 1085250 1302300 1447000 1627875 2170500 2604600 3255750 4341000 6511500 13023000