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12432965 = 52486593
BaseRepresentation
bin101111011011…
…011001000101
3212101122211012
4233123121011
511140323330
61122252005
7210451466
oct57333105
925348735
1012432965
117022086
1241b7005
1327640ac
141918d6d
151158c95
hexbdb645

12432965 has 4 divisors (see below), whose sum is σ = 14919564. Its totient is φ = 9946368.

The previous prime is 12432961. The next prime is 12432971. The reversal of 12432965 is 56923421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56923421 = 89639589.

It can be written as a sum of positive squares in 2 ways, for example, as 4418404 + 8014561 = 2102^2 + 2831^2 .

It is a cyclic number.

It is not a de Polignac number, because 12432965 - 22 = 12432961 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1243292 + ... + 1243301.

It is an arithmetic number, because the mean of its divisors is an integer number (3729891).

Almost surely, 212432965 is an apocalyptic number.

It is an amenable number.

12432965 is a deficient number, since it is larger than the sum of its proper divisors (2486599).

12432965 is an equidigital number, since it uses as much as digits as its factorization.

12432965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2486598.

The product of its digits is 12960, while the sum is 32.

The square root of 12432965 is about 3526.0409810438. The cubic root of 12432965 is about 231.6638326402.

The spelling of 12432965 in words is "twelve million, four hundred thirty-two thousand, nine hundred sixty-five".

Divisors: 1 5 2486593 12432965