12399532 has 12 divisors (see below), whose sum is σ = 21723856. Its totient is φ = 6192720.

The previous prime is 12399503. The next prime is 12399539. The reversal of 12399532 is 23599321.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12399539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5857 + ... + 7687.

Almost surely, 2^12399532 is an apocalyptic number.

It is an amenable number.

12399532 is a deficient number, since it is larger than the sum of its proper divisors (9324324).

12399532 is a wasteful number, since it uses less digits than its factorization.

12399532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3528 (or 3526 counting only the distinct ones).

The product of its digits is 14580, while the sum is 34.

The square root of 12399532 is about 3521.2969201702. The cubic root of 12399532 is about 231.4559935136.

The spelling of 12399532 in words is "twelve million, three hundred ninety-nine thousand, five hundred thirty-two".