13800457 has 16 divisors (see below), whose sum is σ = 15516864. Its totient is φ = 12168000.

The previous prime is 13800443. The next prime is 13800467. The reversal of 13800457 is 75400831.

It is a cyclic number.

It is not a de Polignac number, because 13800457 - 2⁷ = 13800329 is a prime.

It is a super-2 number, since 2×13800457² = 380905226817698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13800467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87823 + ... + 87979.

It is an arithmetic number, because the mean of its divisors is an integer number (969804).

Almost surely, 2^13800457 is an apocalyptic number.

It is an amenable number.

13800457 is a deficient number, since it is larger than the sum of its proper divisors (1716407).

13800457 is a wasteful number, since it uses less digits than its factorization.

13800457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 13800457 is about 3714.8966338244. The cubic root of 13800457 is about 239.8636783701.

The spelling of 13800457 in words is "thirteen million, eight hundred thousand, four hundred fifty-seven".