13965207 has 4 divisors (see below), whose sum is σ = 18620280. Its totient is φ = 9310136.

The previous prime is 13965197. The next prime is 13965229. The reversal of 13965207 is 70256931.

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

It is a cyclic number.

It is not a de Polignac number, because 13965207 - 2¹⁵ = 13932439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13965277) 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, 2327532 + ... + 2327537.

It is an arithmetic number, because the mean of its divisors is an integer number (4655070).

Almost surely, 2^13965207 is an apocalyptic number.

13965207 is a deficient number, since it is larger than the sum of its proper divisors (4655073).

13965207 is an equidigital number, since it uses as much as digits as its factorization.

13965207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655072.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 13965207 is about 3737.0050842888. The cubic root of 13965207 is about 240.8144034588.

The spelling of 13965207 in words is "thirteen million, nine hundred sixty-five thousand, two hundred seven".