13968623 has 8 divisors (see below), whose sum is σ = 14252400. Its totient is φ = 13687488.

The previous prime is 13968607. The next prime is 13968637. The reversal of 13968623 is 32686931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13968623 - 2⁴ = 13968607 is a prime.

It is a super-2 number, since 2×13968623² = 390244857032258, 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 (13968653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12533 + ... + 13601.

It is an arithmetic number, because the mean of its divisors is an integer number (1781550).

Almost surely, 2^13968623 is an apocalyptic number.

13968623 is a deficient number, since it is larger than the sum of its proper divisors (283777).

13968623 is a wasteful number, since it uses less digits than its factorization.

13968623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its digits is 46656, while the sum is 38.

The square root of 13968623 is about 3737.4621068313. The cubic root of 13968623 is about 240.8340368935.

The spelling of 13968623 in words is "thirteen million, nine hundred sixty-eight thousand, six hundred twenty-three".