13866853 has 24 divisors (see below), whose sum is σ = 18960480. Its totient is φ = 9969120.

The previous prime is 13866841. The next prime is 13866863. The reversal of 13866853 is 35866831.

It is not a de Polignac number, because 13866853 - 2⁵ = 13866821 is a prime.

It is a super-2 number, since 2×13866853² = 384579224247218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13866863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6018 + ... + 7996.

It is an arithmetic number, because the mean of its divisors is an integer number (790020).

Almost surely, 2^13866853 is an apocalyptic number.

13866853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13866853 is a deficient number, since it is larger than the sum of its proper divisors (5093627).

13866853 is a wasteful number, since it uses less digits than its factorization.

13866853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 2010 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 13866853 is about 3723.8223641844. The cubic root of 13866853 is about 240.2477360886.

The spelling of 13866853 in words is "thirteen million, eight hundred sixty-six thousand, eight hundred fifty-three".