13599138 has 16 divisors (see below), whose sum is σ = 31083840. Its totient is φ = 3885456.

The previous prime is 13599101. The next prime is 13599149. The reversal of 13599138 is 83199531.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13599096 and 13599105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161853 + ... + 161936.

It is an arithmetic number, because the mean of its divisors is an integer number (1942740).

Almost surely, 2^13599138 is an apocalyptic number.

13599138 is an abundant number, since it is smaller than the sum of its proper divisors (17484702).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13599138 is a wasteful number, since it uses less digits than its factorization.

13599138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323801.

The product of its digits is 29160, while the sum is 39.

The square root of 13599138 is about 3687.7009097811. The cubic root of 13599138 is about 238.6915952274.

The spelling of 13599138 in words is "thirteen million, five hundred ninety-nine thousand, one hundred thirty-eight".