12231608 has 48 divisors (see below), whose sum is σ = 24904440. Its totient is φ = 5624640.

The previous prime is 12231599. The next prime is 12231613. The reversal of 12231608 is 80613221.

It is a super-2 number, since 2×12231608² = 299224468531328, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 284435 + ... + 284477.

Almost surely, 2^12231608 is an apocalyptic number.

It is an amenable number.

12231608 is an abundant number, since it is smaller than the sum of its proper divisors (12672832).

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

12231608 is a wasteful number, since it uses less digits than its factorization.

12231608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12231608 is about 3497.3715844903. The cubic root of 12231608 is about 230.4063892743.

Adding to 12231608 its reverse (80613221), we get a palindrome (92844829).

The spelling of 12231608 in words is "twelve million, two hundred thirty-one thousand, six hundred eight".