12631465 has 48 divisors (see below), whose sum is σ = 19863360. Its totient is φ = 7620480.

The previous prime is 12631429. The next prime is 12631471. The reversal of 12631465 is 56413621.

12631465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12631465 - 2⁷ = 12631337 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 115831 + ... + 115939.

It is an arithmetic number, because the mean of its divisors is an integer number (413820).

Almost surely, 2^12631465 is an apocalyptic number.

It is an amenable number.

12631465 is a deficient number, since it is larger than the sum of its proper divisors (7231895).

12631465 is a wasteful number, since it uses less digits than its factorization.

12631465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182 (or 175 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 12631465 is about 3554.0772360769. The cubic root of 12631465 is about 232.8902145701.

The spelling of 12631465 in words is "twelve million, six hundred thirty-one thousand, four hundred sixty-five".