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12953320 = 2351743443
BaseRepresentation
bin110001011010…
…011011101000
3220101002121121
4301122123220
511304001240
61141345024
7215046532
oct61323350
926332547
1012953320
117348026
124408174
1328b6bb3
141a12852
15120d04a
hexc5a6e8

12953320 has 64 divisors (see below), whose sum is σ = 31648320. Its totient is φ = 4752384.

The previous prime is 12953299. The next prime is 12953323. The reversal of 12953320 is 2335921.

It is a happy number.

12953320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12953323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29019 + ... + 29461.

It is an arithmetic number, because the mean of its divisors is an integer number (494505).

Almost surely, 212953320 is an apocalyptic number.

12953320 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 12953320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15824160).

12953320 is an abundant number, since it is smaller than the sum of its proper divisors (18695000).

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

12953320 is a wasteful number, since it uses less digits than its factorization.

12953320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 12953320 is about 3599.0721026398. The cubic root of 12953320 is about 234.8516945655.

The spelling of 12953320 in words is "twelve million, nine hundred fifty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 43 68 85 86 136 170 172 215 340 344 430 443 680 731 860 886 1462 1720 1772 2215 2924 3544 3655 4430 5848 7310 7531 8860 14620 15062 17720 19049 29240 30124 37655 38098 60248 75310 76196 95245 150620 152392 190490 301240 323833 380980 647666 761960 1295332 1619165 2590664 3238330 6476660 12953320