13439426 has 64 divisors (see below), whose sum is σ = 27820800. Its totient is φ = 4798080.

The previous prime is 13439417. The next prime is 13439449. The reversal of 13439426 is 62493431.

It is a junction number, because it is equal to n+sod(n) for n = 13439392 and 13439401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 98030 + ... + 98166.

It is an arithmetic number, because the mean of its divisors is an integer number (434700).

Almost surely, 2^13439426 is an apocalyptic number.

13439426 is an abundant number, since it is smaller than the sum of its proper divisors (14381374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13439426 is a wasteful number, since it uses less digits than its factorization.

13439426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 170 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 13439426 is about 3665.9822694607. The cubic root of 13439426 is about 237.7534933290.

The spelling of 13439426 in words is "thirteen million, four hundred thirty-nine thousand, four hundred twenty-six".