12930631 has 4 divisors (see below), whose sum is σ = 14777872. Its totient is φ = 11083392.

The previous prime is 12930581. The next prime is 12930647. The reversal of 12930631 is 13603921.

12930631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12930631 - 2⁹ = 12930119 is a prime.

It is a super-2 number, since 2×12930631² = 334402436116322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12930596 and 12930605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12930661) 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, 923610 + ... + 923623.

It is an arithmetic number, because the mean of its divisors is an integer number (3694468).

Almost surely, 2^12930631 is an apocalyptic number.

12930631 is a deficient number, since it is larger than the sum of its proper divisors (1847241).

12930631 is an equidigital number, since it uses as much as digits as its factorization.

12930631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847240.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 12930631 is about 3595.9186587018. The cubic root of 12930631 is about 234.7144925641.

The spelling of 12930631 in words is "twelve million, nine hundred thirty thousand, six hundred thirty-one".