13908571 has 2 divisors, whose sum is σ = 13908572. Its totient is φ = 13908570.

The previous prime is 13908563. The next prime is 13908581. The reversal of 13908571 is 17580931.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13908571 - 2³ = 13908563 is a prime.

It is not a weakly prime, because it can be changed into another prime (13908511) 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, 6954285 + 6954286.

It is an arithmetic number, because the mean of its divisors is an integer number (6954286).

Almost surely, 2^13908571 is an apocalyptic number.

13908571 is a deficient number, since it is larger than the sum of its proper divisors (1).

13908571 is an equidigital number, since it uses as much as digits as its factorization.

13908571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 13908571 is about 3729.4196599471. The cubic root of 13908571 is about 240.4884208561.

The spelling of 13908571 in words is "thirteen million, nine hundred eight thousand, five hundred seventy-one".