13439632 has 20 divisors (see below), whose sum is σ = 26230960. Its totient is φ = 6670368.

The previous prime is 13439527. The next prime is 13439633. The reversal of 13439632 is 23693431.

It is a junction number, because it is equal to n+sod(n) for n = 13439594 and 13439603.

It is not an unprimeable number, because it can be changed into a prime (13439633) 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, 798 + ... + 5245.

It is an arithmetic number, because the mean of its divisors is an integer number (1311548).

Almost surely, 2^13439632 is an apocalyptic number.

It is an amenable number.

13439632 is a deficient number, since it is larger than the sum of its proper divisors (12791328).

13439632 is a wasteful number, since it uses less digits than its factorization.

13439632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6190 (or 6184 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

The square root of 13439632 is about 3666.0103655063. The cubic root of 13439632 is about 237.7547080875.

The spelling of 13439632 in words is "thirteen million, four hundred thirty-nine thousand, six hundred thirty-two".