12610631 has 4 divisors (see below), whose sum is σ = 13757064. Its totient is φ = 11464200.

The previous prime is 12610627. The next prime is 12610649. The reversal of 12610631 is 13601621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12610631 - 2² = 12610627 is a prime.

It is a super-2 number, since 2×12610631² = 318056028436322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12610681) 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, 573200 + ... + 573221.

It is an arithmetic number, because the mean of its divisors is an integer number (3439266).

Almost surely, 2^12610631 is an apocalyptic number.

12610631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12610631 is a deficient number, since it is larger than the sum of its proper divisors (1146433).

12610631 is a wasteful number, since it uses less digits than its factorization.

12610631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146432.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 12610631 is about 3551.1450266076. The cubic root of 12610631 is about 232.7621031493.

The spelling of 12610631 in words is "twelve million, six hundred ten thousand, six hundred thirty-one".