12231908 has 48 divisors (see below), whose sum is σ = 24830064. Its totient is φ = 5222400.

The previous prime is 12231889. The next prime is 12231917. The reversal of 12231908 is 80913221.

12231908 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 996004 + 11235904 = 998^2 + 3352^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89216 + ... + 89352.

It is an arithmetic number, because the mean of its divisors is an integer number (517293).

Almost surely, 2^12231908 is an apocalyptic number.

It is an amenable number.

12231908 is an abundant number, since it is smaller than the sum of its proper divisors (12598156).

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

12231908 is a wasteful number, since it uses less digits than its factorization.

12231908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12231908 is about 3497.4144735790. The cubic root of 12231908 is about 230.4082729556.

The spelling of 12231908 in words is "twelve million, two hundred thirty-one thousand, nine hundred eight".