13479057 has 6 divisors (see below), whose sum is σ = 19469762. Its totient is φ = 8986032.

The previous prime is 13479043. The next prime is 13479077. The reversal of 13479057 is 75097431.

It is a happy number.

13479057 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11943936 + 1535121 = 3456^2 + 1239^2 .

It is not a de Polignac number, because 13479057 - 2⁷ = 13478929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13479077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 748828 + ... + 748845.

Almost surely, 2^13479057 is an apocalyptic number.

It is an amenable number.

13479057 is a deficient number, since it is larger than the sum of its proper divisors (5990705).

13479057 is a wasteful number, since it uses less digits than its factorization.

13479057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497679 (or 1497676 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 13479057 is about 3671.3835266831. The cubic root of 13479057 is about 237.9869646604.

It can be divided in two parts, 1347 and 9057, that added together give a square (10404 = 102²).

The spelling of 13479057 in words is "thirteen million, four hundred seventy-nine thousand, fifty-seven".