12937109 has 16 divisors (see below), whose sum is σ = 14057472. Its totient is φ = 11875248.

The previous prime is 12937069. The next prime is 12937139. The reversal of 12937109 is 90173921.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12937109 - 2¹² = 12933013 is a prime.

It is a super-3 number, since 3×12937109³ (a number of 22 digits) contains 333 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 (12937139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101804 + ... + 101930.

It is an arithmetic number, because the mean of its divisors is an integer number (878592).

Almost surely, 2^12937109 is an apocalyptic number.

It is an amenable number.

12937109 is a deficient number, since it is larger than the sum of its proper divisors (1120363).

12937109 is a wasteful number, since it uses less digits than its factorization.

12937109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 12937109 is about 3596.8192893166. The cubic root of 12937109 is about 234.7536818515.

The spelling of 12937109 in words is "twelve million, nine hundred thirty-seven thousand, one hundred nine".