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13325420 = 225739127
BaseRepresentation
bin110010110101…
…010001101100
3221002000001002
4302311101230
511402403140
61153335432
7221156423
oct62652154
927060032
1013325420
117581649
124567578
1329b7384
141aac2ba
151283415
hexcb546c

13325420 has 24 divisors (see below), whose sum is σ = 28369824. Its totient is φ = 5256576.

The previous prime is 13325407. The next prime is 13325437. The reversal of 13325420 is 2452331.

It is a happy number.

13325420 is digitally balanced in base 2, because in such base 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 13325392 and 13325401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3104 + ... + 6023.

It is an arithmetic number, because the mean of its divisors is an integer number (1182076).

Almost surely, 213325420 is an apocalyptic number.

13325420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13325420 is an abundant number, since it is smaller than the sum of its proper divisors (15044404).

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

13325420 is a wasteful number, since it uses less digits than its factorization.

13325420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9209 (or 9207 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13325420 is about 3650.3999780846. The cubic root of 13325420 is about 237.0792995450.

Adding to 13325420 its reverse (2452331), we get a palindrome (15777751).

The spelling of 13325420 in words is "thirteen million, three hundred twenty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 73 146 292 365 730 1460 9127 18254 36508 45635 91270 182540 666271 1332542 2665084 3331355 6662710 13325420