13139332 has 6 divisors (see below), whose sum is σ = 22993838. Its totient is φ = 6569664.

The previous prime is 13139299. The next prime is 13139341. The reversal of 13139332 is 23393131.

13139332 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in only one way, i.e., 11737476 + 1401856 = 3426^2 + 1184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13139297 and 13139306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642413 + ... + 1642420.

Almost surely, 2^13139332 is an apocalyptic number.

It is an amenable number.

13139332 is a deficient number, since it is larger than the sum of its proper divisors (9854506).

13139332 is a wasteful number, since it uses less digits than its factorization.

13139332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3284837 (or 3284835 counting only the distinct ones).

The product of its digits is 1458, while the sum is 25.

The square root of 13139332 is about 3624.8216507850. The cubic root of 13139332 is about 235.9705268183.

The spelling of 13139332 in words is "thirteen million, one hundred thirty-nine thousand, three hundred thirty-two".