13539332 has 12 divisors (see below), whose sum is σ = 23853900. Its totient is φ = 6723936.

The previous prime is 13539329. The next prime is 13539359. The reversal of 13539332 is 23393531.

It can be written as a sum of positive squares in 2 ways, for example, as 2937796 + 10601536 = 1714^2 + 3256^2 .

It is a super-2 number, since 2×13539332² = 366627022012448, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13539295 and 13539304.

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, 10763 + ... + 11954.

It is an arithmetic number, because the mean of its divisors is an integer number (1987825).

Almost surely, 2^13539332 is an apocalyptic number.

It is an amenable number.

13539332 is a deficient number, since it is larger than the sum of its proper divisors (10314568).

13539332 is a wasteful number, since it uses less digits than its factorization.

13539332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22870 (or 22868 counting only the distinct ones).

The product of its digits is 7290, while the sum is 29.

The square root of 13539332 is about 3679.5831285623. The cubic root of 13539332 is about 238.3411767622.

The spelling of 13539332 in words is "thirteen million, five hundred thirty-nine thousand, three hundred thirty-two".