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12962725 = 52518509
BaseRepresentation
bin110001011100…
…101110100101
3220101120111221
4301130232211
511304301400
61141500341
7215116126
oct61345645
926346457
1012962725
1173540a6
1244116b1
1328bb269
141a1604d
151210c1a
hexc5cba5

12962725 has 6 divisors (see below), whose sum is σ = 16073810. Its totient is φ = 10370160.

The previous prime is 12962701. The next prime is 12962749. The reversal of 12962725 is 52726921.

It is an interprime number because it is at equal distance from previous prime (12962701) and next prime (12962749).

It can be written as a sum of positive squares in 3 ways, for example, as 1361889 + 11600836 = 1167^2 + 3406^2 .

It is not a de Polignac number, because 12962725 - 211 = 12960677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259230 + ... + 259279.

Almost surely, 212962725 is an apocalyptic number.

It is an amenable number.

12962725 is a deficient number, since it is larger than the sum of its proper divisors (3111085).

12962725 is an equidigital number, since it uses as much as digits as its factorization.

12962725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518519 (or 518514 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 12962725 is about 3600.3784523297. The cubic root of 12962725 is about 234.9085203015.

The spelling of 12962725 in words is "twelve million, nine hundred sixty-two thousand, seven hundred twenty-five".

Divisors: 1 5 25 518509 2592545 12962725