12631534 has 8 divisors (see below), whose sum is σ = 19142928. Its totient is φ = 6250560.

The previous prime is 12631529. The next prime is 12631573. The reversal of 12631534 is 43513621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12631499 and 12631508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32362 + ... + 32749.

It is an arithmetic number, because the mean of its divisors is an integer number (2392866).

Almost surely, 2^12631534 is an apocalyptic number.

12631534 is a deficient number, since it is larger than the sum of its proper divisors (6511394).

12631534 is an equidigital number, since it uses as much as digits as its factorization.

12631534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65210.

The product of its digits is 2160, while the sum is 25.

The square root of 12631534 is about 3554.0869432247. The cubic root of 12631534 is about 232.8906386274.

The spelling of 12631534 in words is "twelve million, six hundred thirty-one thousand, five hundred thirty-four".