12899384 has 16 divisors (see below), whose sum is σ = 24840600. Its totient is φ = 6275232.

The previous prime is 12899371. The next prime is 12899431. The reversal of 12899384 is 48399821.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21494 + ... + 22085.

Almost surely, 2^12899384 is an apocalyptic number.

It is an amenable number.

12899384 is a deficient number, since it is larger than the sum of its proper divisors (11941216).

12899384 is a wasteful number, since it uses less digits than its factorization.

12899384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43622 (or 43618 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 12899384 is about 3591.5712438987. The cubic root of 12899384 is about 234.5252767567.

The spelling of 12899384 in words is "twelve million, eight hundred ninety-nine thousand, three hundred eighty-four".