13137923 has 8 divisors (see below), whose sum is σ = 14287392. Its totient is φ = 12030336.

The previous prime is 13137907. The next prime is 13137931. The reversal of 13137923 is 32973131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13137923 - 2⁴ = 13137907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13137973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9815 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (1785924).

Almost surely, 2^13137923 is an apocalyptic number.

13137923 is a deficient number, since it is larger than the sum of its proper divisors (1149469).

13137923 is a wasteful number, since it uses less digits than its factorization.

13137923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20941.

The product of its digits is 3402, while the sum is 29.

The square root of 13137923 is about 3624.6272911846. The cubic root of 13137923 is about 235.9620917279.

The spelling of 13137923 in words is "thirteen million, one hundred thirty-seven thousand, nine hundred twenty-three".