13970913 has 32 divisors (see below), whose sum is σ = 21565440. Its totient is φ = 7962240.

The previous prime is 13970897. The next prime is 13970917. The reversal of 13970913 is 31907931.

It is not a de Polignac number, because 13970913 - 2⁴ = 13970897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (13970917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59845 + ... + 60077.

It is an arithmetic number, because the mean of its divisors is an integer number (673920).

Almost surely, 2^13970913 is an apocalyptic number.

It is an amenable number.

13970913 is a deficient number, since it is larger than the sum of its proper divisors (7594527).

13970913 is a wasteful number, since it uses less digits than its factorization.

13970913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349.

The product of its (nonzero) digits is 5103, while the sum is 33.

The square root of 13970913 is about 3737.7684518975. The cubic root of 13970913 is about 240.8471968595.

The spelling of 13970913 in words is "thirteen million, nine hundred seventy thousand, nine hundred thirteen".