13657087 has 2 divisors, whose sum is σ = 13657088. Its totient is φ = 13657086.

The previous prime is 13657051. The next prime is 13657117. The reversal of 13657087 is 78075631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13657087 - 2¹¹ = 13655039 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13657487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6828543 + 6828544.

It is an arithmetic number, because the mean of its divisors is an integer number (6828544).

Almost surely, 2^13657087 is an apocalyptic number.

13657087 is a deficient number, since it is larger than the sum of its proper divisors (1).

13657087 is an equidigital number, since it uses as much as digits as its factorization.

13657087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 13657087 is about 3695.5496208277. The cubic root of 13657087 is about 239.0301543975.

The spelling of 13657087 in words is "thirteen million, six hundred fifty-seven thousand, eighty-seven".