13998123 has 16 divisors (see below), whose sum is σ = 21958560. Its totient is φ = 8782848.

The previous prime is 13998121. The next prime is 13998133. The reversal of 13998123 is 32189931.

13998123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13998123 - 2¹ = 13998121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13998121) 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, 14790 + ... + 15707.

It is an arithmetic number, because the mean of its divisors is an integer number (1372410).

Almost surely, 2^13998123 is an apocalyptic number.

13998123 is a deficient number, since it is larger than the sum of its proper divisors (7960437).

13998123 is a wasteful number, since it uses less digits than its factorization.

13998123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30523 (or 30517 counting only the distinct ones).

The product of its digits is 11664, while the sum is 36.

The square root of 13998123 is about 3741.4065536907. The cubic root of 13998123 is about 241.0034548956.

The spelling of 13998123 in words is "thirteen million, nine hundred ninety-eight thousand, one hundred twenty-three".