13806963 has 16 divisors (see below), whose sum is σ = 20541600. Its totient is φ = 9165600.

The previous prime is 13806953. The next prime is 13806971. The reversal of 13806963 is 36960831.

It is a happy number.

It is not a de Polignac number, because 13806963 - 2⁵ = 13806931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13806943) 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, 6313 + ... + 8213.

It is an arithmetic number, because the mean of its divisors is an integer number (1283850).

Almost surely, 2^13806963 is an apocalyptic number.

13806963 is a deficient number, since it is larger than the sum of its proper divisors (6734637).

13806963 is a wasteful number, since it uses less digits than its factorization.

13806963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179 (or 2173 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 13806963 is about 3715.7721943090. The cubic root of 13806963 is about 239.9013657192.

The spelling of 13806963 in words is "thirteen million, eight hundred six thousand, nine hundred sixty-three".