12039137 has 6 divisors (see below), whose sum is σ = 13233234. Its totient is φ = 10944560.

The previous prime is 12039113. The next prime is 12039173. The reversal of 12039137 is 73193021.

It can be written as a sum of positive squares in only one way, i.e., 10601536 + 1437601 = 3256^2 + 1199^2 .

It is not a de Polignac number, because 12039137 - 2⁶ = 12039073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12039107) 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, 49628 + ... + 49869.

It is an arithmetic number, because the mean of its divisors is an integer number (2205539).

Almost surely, 2^12039137 is an apocalyptic number.

It is an amenable number.

12039137 is a deficient number, since it is larger than the sum of its proper divisors (1194097).

12039137 is an equidigital number, since it uses as much as digits as its factorization.

12039137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99519 (or 99508 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 12039137 is about 3469.7459561184. The cubic root of 12039137 is about 229.1914710929.

The spelling of 12039137 in words is "twelve million, thirty-nine thousand, one hundred thirty-seven".