13924889 has 4 divisors (see below), whose sum is σ = 15190800. Its totient is φ = 12658980.

The previous prime is 13924829. The next prime is 13924903. The reversal of 13924889 is 98842931.

It is a happy number.

13924889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98842931 = 11 ⋅8985721.

It is a cyclic number.

It is not a de Polignac number, because 13924889 - 2⁸ = 13924633 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13924829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632939 + ... + 632960.

It is an arithmetic number, because the mean of its divisors is an integer number (3797700).

Almost surely, 2^13924889 is an apocalyptic number.

It is an amenable number.

13924889 is a deficient number, since it is larger than the sum of its proper divisors (1265911).

13924889 is a wasteful number, since it uses less digits than its factorization.

13924889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265910.

The product of its digits is 124416, while the sum is 44.

The square root of 13924889 is about 3731.6067584889. The cubic root of 13924889 is about 240.5824337816.

The spelling of 13924889 in words is "thirteen million, nine hundred twenty-four thousand, eight hundred eighty-nine".