13937207 has 2 divisors, whose sum is σ = 13937208. Its totient is φ = 13937206.

The previous prime is 13937179. The next prime is 13937213. The reversal of 13937207 is 70273931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13937207 - 2²² = 9742903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13937227) 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 as a sum of consecutive naturals, namely, 6968603 + 6968604.

It is an arithmetic number, because the mean of its divisors is an integer number (6968604).

Almost surely, 2^13937207 is an apocalyptic number.

13937207 is a deficient number, since it is larger than the sum of its proper divisors (1).

13937207 is an equidigital number, since it uses as much as digits as its factorization.

13937207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 13937207 is about 3733.2568890983. The cubic root of 13937207 is about 240.6533528630.

The spelling of 13937207 in words is "thirteen million, nine hundred thirty-seven thousand, two hundred seven".