13368857 has 4 divisors (see below), whose sum is σ = 13378560. Its totient is φ = 13359156.

The previous prime is 13368853. The next prime is 13368889. The reversal of 13368857 is 75886331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75886331 = 59 ⋅1286209.

It is a cyclic number.

It is not a de Polignac number, because 13368857 - 2² = 13368853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13368853) 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, 2357 + ... + 5682.

It is an arithmetic number, because the mean of its divisors is an integer number (3344640).

Almost surely, 2^13368857 is an apocalyptic number.

It is an amenable number.

13368857 is a deficient number, since it is larger than the sum of its proper divisors (9703).

13368857 is an equidigital number, since it uses as much as digits as its factorization.

13368857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9702.

The product of its digits is 120960, while the sum is 41.

The square root of 13368857 is about 3656.3447594558. The cubic root of 13368857 is about 237.3366233728.

The spelling of 13368857 in words is "thirteen million, three hundred sixty-eight thousand, eight hundred fifty-seven".