13973599 has 6 divisors (see below), whose sum is σ = 14159040. Its totient is φ = 13790556.

The previous prime is 13973593. The next prime is 13973669. The reversal of 13973599 is 99537931.

It is not a de Polignac number, because 13973599 - 2¹⁵ = 13940831 is a prime.

It is a super-2 number, since 2×13973599² = 390522938025602, 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 (13973593) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5122 + ... + 7360.

It is an arithmetic number, because the mean of its divisors is an integer number (2359840).

Almost surely, 2^13973599 is an apocalyptic number.

13973599 is a deficient number, since it is larger than the sum of its proper divisors (185441).

13973599 is an frugal number, since it uses more digits than its factorization.

13973599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397 (or 2318 counting only the distinct ones).

The product of its digits is 229635, while the sum is 46.

The square root of 13973599 is about 3738.1277399254. The cubic root of 13973599 is about 240.8626306902.

The spelling of 13973599 in words is "thirteen million, nine hundred seventy-three thousand, five hundred ninety-nine".