13944623 has 16 divisors (see below), whose sum is σ = 17574144. Its totient is φ = 10748160.

The previous prime is 13944617. The next prime is 13944629. The reversal of 13944623 is 32644931.

It is an interprime number because it is at equal distance from previous prime (13944617) and next prime (13944629).

It is a cyclic number.

It is not a de Polignac number, because 13944623 - 2⁸ = 13944367 is a prime.

It is a super-2 number, since 2×13944623² = 388905021224258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13944623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944629) 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, 6536 + ... + 8402.

It is an arithmetic number, because the mean of its divisors is an integer number (1098384).

Almost surely, 2^13944623 is an apocalyptic number.

13944623 is a deficient number, since it is larger than the sum of its proper divisors (3629521).

13944623 is a wasteful number, since it uses less digits than its factorization.

13944623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982.

The product of its digits is 15552, while the sum is 32.

The square root of 13944623 is about 3734.2499916315. The cubic root of 13944623 is about 240.6960292475.

The spelling of 13944623 in words is "thirteen million, nine hundred forty-four thousand, six hundred twenty-three".