13993732 has 12 divisors (see below), whose sum is σ = 24597580. Its totient is φ = 6965856.

The previous prime is 13993723. The next prime is 13993739. The reversal of 13993732 is 23739931.

13993732 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 2 ways, for example, as 7150276 + 6843456 = 2674^2 + 2616^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13993691 and 13993700.

It is not an unprimeable number, because it can be changed into a prime (13993739) 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, 6723 + ... + 8554.

Almost surely, 2^13993732 is an apocalyptic number.

It is an amenable number.

13993732 is a deficient number, since it is larger than the sum of its proper divisors (10603848).

13993732 is a wasteful number, since it uses less digits than its factorization.

13993732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15510 (or 15508 counting only the distinct ones).

The product of its digits is 30618, while the sum is 37.

The square root of 13993732 is about 3740.8196962698. The cubic root of 13993732 is about 240.9782525442.

The spelling of 13993732 in words is "thirteen million, nine hundred ninety-three thousand, seven hundred thirty-two".