13926663 has 6 divisors (see below), whose sum is σ = 20116304. Its totient is φ = 9284436.

The previous prime is 13926659. The next prime is 13926691. The reversal of 13926663 is 36662931.

It is not a de Polignac number, because 13926663 - 2² = 13926659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13926613) 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, 773695 + ... + 773712.

Almost surely, 2^13926663 is an apocalyptic number.

13926663 is a deficient number, since it is larger than the sum of its proper divisors (6189641).

13926663 is a wasteful number, since it uses less digits than its factorization.

13926663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547413 (or 1547410 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 13926663 is about 3731.8444501345. The cubic root of 13926663 is about 240.5926499041.

The spelling of 13926663 in words is "thirteen million, nine hundred twenty-six thousand, six hundred sixty-three".