13498623 has 16 divisors (see below), whose sum is σ = 20377440. Its totient is φ = 8828352.

The previous prime is 13498621. The next prime is 13498643. The reversal of 13498623 is 32689431.

13498623 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13498623 - 2¹ = 13498621 is a prime.

It is a super-2 number, since 2×13498623² = 364425645792258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13498621) 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, 3286 + ... + 6147.

It is an arithmetic number, because the mean of its divisors is an integer number (1273590).

Almost surely, 2^13498623 is an apocalyptic number.

13498623 is a deficient number, since it is larger than the sum of its proper divisors (6878817).

13498623 is an equidigital number, since it uses as much as digits as its factorization.

13498623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9495 (or 9489 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 13498623 is about 3674.0472234309. The cubic root of 13498623 is about 238.1020617746.

The spelling of 13498623 in words is "thirteen million, four hundred ninety-eight thousand, six hundred twenty-three".