12431622 has 32 divisors (see below), whose sum is σ = 28530432. Its totient is φ = 3537504.

The previous prime is 12431621. The next prime is 12431663. The reversal of 12431622 is 22613421.

12431622 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12431621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14148 + ... + 15000.

It is an arithmetic number, because the mean of its divisors is an integer number (891576).

Almost surely, 2^12431622 is an apocalyptic number.

12431622 is an abundant number, since it is smaller than the sum of its proper divisors (16098810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12431622 is a wasteful number, since it uses less digits than its factorization.

12431622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212.

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

The square root of 12431622 is about 3525.8505356864. The cubic root of 12431622 is about 231.6554909526.

The spelling of 12431622 in words is "twelve million, four hundred thirty-one thousand, six hundred twenty-two".