13875907 has 2 divisors, whose sum is σ = 13875908. Its totient is φ = 13875906.

The previous prime is 13875899. The next prime is 13875919. The reversal of 13875907 is 70957831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13875907 - 2³ = 13875899 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13875907.

It is not a weakly prime, because it can be changed into another prime (13875937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6937953 + 6937954.

It is an arithmetic number, because the mean of its divisors is an integer number (6937954).

Almost surely, 2^13875907 is an apocalyptic number.

13875907 is a deficient number, since it is larger than the sum of its proper divisors (1).

13875907 is an equidigital number, since it uses as much as digits as its factorization.

13875907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 13875907 is about 3725.0378521567. The cubic root of 13875907 is about 240.3000125439.

The spelling of 13875907 in words is "thirteen million, eight hundred seventy-five thousand, nine hundred seven".