13570072 has 8 divisors (see below), whose sum is σ = 25443900. Its totient is φ = 6785032.

The previous prime is 13570049. The next prime is 13570087. The reversal of 13570072 is 27007531.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 848122 + ... + 848137.

Almost surely, 2^13570072 is an apocalyptic number.

It is an amenable number.

13570072 is a deficient number, since it is larger than the sum of its proper divisors (11873828).

13570072 is a wasteful number, since it uses less digits than its factorization.

13570072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696265 (or 1696261 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 13570072 is about 3683.7578639210. The cubic root of 13570072 is about 238.5214187891.

It can be divided in two parts, 135 and 70072, that added together give a palindrome (70207).

The spelling of 13570072 in words is "thirteen million, five hundred seventy thousand, seventy-two".