13885963 has 12 divisors (see below), whose sum is σ = 17396400. Its totient is φ = 10986192.

The previous prime is 13885943. The next prime is 13885981. The reversal of 13885963 is 36958831.

13885963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13885963 - 2⁵ = 13885931 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13885943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10263 + ... + 11536.

It is an arithmetic number, because the mean of its divisors is an integer number (1449700).

Almost surely, 2^13885963 is an apocalyptic number.

13885963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13885963 is a deficient number, since it is larger than the sum of its proper divisors (3510437).

13885963 is a wasteful number, since it uses less digits than its factorization.

13885963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21826 (or 21819 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 13885963 is about 3726.3873926365. The cubic root of 13885963 is about 240.3580477512.

The spelling of 13885963 in words is "thirteen million, eight hundred eighty-five thousand, nine hundred sixty-three".