12998732 has 12 divisors (see below), whose sum is σ = 22844640. Its totient is φ = 6471696.

The previous prime is 12998731. The next prime is 12998753. The reversal of 12998732 is 23789921.

It is a happy number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12998732.

It is not an unprimeable number, because it can be changed into a prime (12998731) 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, 5843 + ... + 7754.

It is an arithmetic number, because the mean of its divisors is an integer number (1903720).

Almost surely, 2^12998732 is an apocalyptic number.

It is an amenable number.

12998732 is a deficient number, since it is larger than the sum of its proper divisors (9845908).

12998732 is a wasteful number, since it uses less digits than its factorization.

12998732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13840 (or 13838 counting only the distinct ones).

The product of its digits is 54432, while the sum is 41.

The square root of 12998732 is about 3605.3754312138. The cubic root of 12998732 is about 235.1258236712.

The spelling of 12998732 in words is "twelve million, nine hundred ninety-eight thousand, seven hundred thirty-two".