13439432 has 16 divisors (see below), whose sum is σ = 25296000. Its totient is φ = 6693840.

The previous prime is 13439417. The next prime is 13439449. The reversal of 13439432 is 23493431.

It is a junction number, because it is equal to n+sod(n) for n = 13439395 and 13439404.

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, 932 + ... + 5267.

It is an arithmetic number, because the mean of its divisors is an integer number (1581000).

Almost surely, 2^13439432 is an apocalyptic number.

It is an amenable number.

13439432 is a deficient number, since it is larger than the sum of its proper divisors (11856568).

13439432 is a wasteful number, since it uses less digits than its factorization.

13439432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6476 (or 6472 counting only the distinct ones).

The product of its digits is 7776, while the sum is 29.

The square root of 13439432 is about 3665.9830877951. The cubic root of 13439432 is about 237.7535287105.

The spelling of 13439432 in words is "thirteen million, four hundred thirty-nine thousand, four hundred thirty-two".