13457863 has 6 divisors (see below), whose sum is σ = 14296376. Its totient is φ = 12665952.

The previous prime is 13457849. The next prime is 13457879. The reversal of 13457863 is 36875431.

It is not a de Polignac number, because 13457863 - 2⁵ = 13457831 is a prime.

It is a super-2 number, since 2×13457863² = 362228153053538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13457063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22995 + ... + 23572.

Almost surely, 2^13457863 is an apocalyptic number.

13457863 is a deficient number, since it is larger than the sum of its proper divisors (838513).

13457863 is an equidigital number, since it uses as much as digits as its factorization.

13457863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46601 (or 46584 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 13457863 is about 3668.4960133548. The cubic root of 13457863 is about 237.8621650879.

The spelling of 13457863 in words is "thirteen million, four hundred fifty-seven thousand, eight hundred sixty-three".