13614857 has 4 divisors (see below), whose sum is σ = 13653780. Its totient is φ = 13575936.

The previous prime is 13614851. The next prime is 13614877. The reversal of 13614857 is 75841631.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7284601 + 6330256 = 2699^2 + 2516^2 .

It is a cyclic number.

It is not a de Polignac number, because 13614857 - 2⁶ = 13614793 is a prime.

It is a super-2 number, since 2×13614857² = 370728662260898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13614851) 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, 18932 + ... + 19637.

It is an arithmetic number, because the mean of its divisors is an integer number (3413445).

Almost surely, 2^13614857 is an apocalyptic number.

It is an amenable number.

13614857 is a deficient number, since it is larger than the sum of its proper divisors (38923).

13614857 is an equidigital number, since it uses as much as digits as its factorization.

13614857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38922.

The product of its digits is 20160, while the sum is 35.

The square root of 13614857 is about 3689.8315679716. The cubic root of 13614857 is about 238.7835262623.

The spelling of 13614857 in words is "thirteen million, six hundred fourteen thousand, eight hundred fifty-seven".