12433864 has 8 divisors (see below), whose sum is σ = 23313510. Its totient is φ = 6216928.

The previous prime is 12433849. The next prime is 12433867. The reversal of 12433864 is 46833421.

It can be written as a sum of positive squares in only one way, i.e., 11957764 + 476100 = 3458^2 + 690^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12433867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 777109 + ... + 777124.

Almost surely, 2^12433864 is an apocalyptic number.

It is an amenable number.

12433864 is a deficient number, since it is larger than the sum of its proper divisors (10879646).

12433864 is a wasteful number, since it uses less digits than its factorization.

12433864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1554239 (or 1554235 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 12433864 is about 3526.1684588233. The cubic root of 12433864 is about 231.6694162042.

The spelling of 12433864 in words is "twelve million, four hundred thirty-three thousand, eight hundred sixty-four".