12612631 has 8 divisors (see below), whose sum is σ = 13006224. Its totient is φ = 12223680.

The previous prime is 12612571. The next prime is 12612679. The reversal of 12612631 is 13621621.

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

It is a cyclic number.

It is not a de Polignac number, because 12612631 - 2⁷ = 12612503 is a prime.

It is a super-2 number, since 2×12612631² = 318156921484322, 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 (12612331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4821 + ... + 6961.

It is an arithmetic number, because the mean of its divisors is an integer number (1625778).

Almost surely, 2^12612631 is an apocalyptic number.

12612631 is a deficient number, since it is larger than the sum of its proper divisors (393593).

12612631 is a wasteful number, since it uses less digits than its factorization.

12612631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2321.

The product of its digits is 432, while the sum is 22.

The square root of 12612631 is about 3551.4266147564. The cubic root of 12612631 is about 232.7744075719.

The spelling of 12612631 in words is "twelve million, six hundred twelve thousand, six hundred thirty-one".