13970965 has 4 divisors (see below), whose sum is σ = 16765164. Its totient is φ = 11176768.

The previous prime is 13970951. The next prime is 13970969. The reversal of 13970965 is 56907931.

13970965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2961841 + 11009124 = 1721^2 + 3318^2 .

It is a cyclic number.

It is not a de Polignac number, because 13970965 - 2⁵ = 13970933 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13970969) 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, 1397092 + ... + 1397101.

It is an arithmetic number, because the mean of its divisors is an integer number (4191291).

Almost surely, 2^13970965 is an apocalyptic number.

It is an amenable number.

13970965 is a deficient number, since it is larger than the sum of its proper divisors (2794199).

13970965 is an equidigital number, since it uses as much as digits as its factorization.

13970965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794198.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 13970965 is about 3737.7754079131. The cubic root of 13970965 is about 240.8474956717.

The spelling of 13970965 in words is "thirteen million, nine hundred seventy thousand, nine hundred sixty-five".