12149644 has 24 divisors (see below), whose sum is σ = 23639168. Its totient is φ = 5425920.

The previous prime is 12149633. The next prime is 12149651. The reversal of 12149644 is 44694121.

12149644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12149644² = 295227698653472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2157 + ... + 5380.

Almost surely, 2^12149644 is an apocalyptic number.

It is an amenable number.

12149644 is a deficient number, since it is larger than the sum of its proper divisors (11489524).

12149644 is a wasteful number, since it uses less digits than its factorization.

12149644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7585 (or 7583 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 12149644 is about 3485.6339452100. The cubic root of 12149644 is about 229.8905843780.

The spelling of 12149644 in words is "twelve million, one hundred forty-nine thousand, six hundred forty-four".