12422631 has 32 divisors (see below), whose sum is σ = 19389888. Its totient is φ = 7004160.

The previous prime is 12422603. The next prime is 12422633. The reversal of 12422631 is 13622421.

It is not a de Polignac number, because 12422631 - 2⁹ = 12422119 is a prime.

It is a super-2 number, since 2×12422631² = 308643521924322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12422598 and 12422607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26955 + ... + 27411.

It is an arithmetic number, because the mean of its divisors is an integer number (605934).

Almost surely, 2^12422631 is an apocalyptic number.

12422631 is a deficient number, since it is larger than the sum of its proper divisors (6967257).

12422631 is a wasteful number, since it uses less digits than its factorization.

12422631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531.

The product of its digits is 576, while the sum is 21.

The square root of 12422631 is about 3524.5752935638. The cubic root of 12422631 is about 231.5996302654.

The spelling of 12422631 in words is "twelve million, four hundred twenty-two thousand, six hundred thirty-one".