13439204 has 12 divisors (see below), whose sum is σ = 23677500. Its totient is φ = 6674208.

The previous prime is 13439201. The next prime is 13439219. The reversal of 13439204 is 40293431.

It can be written as a sum of positive squares in 2 ways, for example, as 8421604 + 5017600 = 2902^2 + 2240^2 .

It is a super-2 number, since 2×13439204² = 361224408307232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13439201) 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, 10679 + ... + 11870.

It is an arithmetic number, because the mean of its divisors is an integer number (1973125).

Almost surely, 2^13439204 is an apocalyptic number.

It is an amenable number.

13439204 is a deficient number, since it is larger than the sum of its proper divisors (10238296).

13439204 is a wasteful number, since it uses less digits than its factorization.

13439204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22702 (or 22700 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13439204 is about 3665.9519909568. The cubic root of 13439204 is about 237.7521842065.

The spelling of 13439204 in words is "thirteen million, four hundred thirty-nine thousand, two hundred four".