12519117 has 28 divisors (see below), whose sum is σ = 20229244. Its totient is φ = 7698240.

The previous prime is 12519113. The next prime is 12519131. The reversal of 12519117 is 71191521.

It can be written as a sum of positive squares in 2 ways, for example, as 7001316 + 5517801 = 2646^2 + 2349^2 .

It is not a de Polignac number, because 12519117 - 2² = 12519113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12519113) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 8817 + ... + 10137.

It is an arithmetic number, because the mean of its divisors is an integer number (722473).

Almost surely, 2^12519117 is an apocalyptic number.

It is an amenable number.

12519117 is a deficient number, since it is larger than the sum of its proper divisors (7710127).

12519117 is an equidigital number, since it uses as much as digits as its factorization.

12519117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 1337 counting only the distinct ones).

The product of its digits is 630, while the sum is 27.

The square root of 12519117 is about 3538.2364251135. The cubic root of 12519117 is about 232.1976924234.

The spelling of 12519117 in words is "twelve million, five hundred nineteen thousand, one hundred seventeen".