12919425 has 12 divisors (see below), whose sum is σ = 21360240. Its totient is φ = 6890320.

The previous prime is 12919397. The next prime is 12919427. The reversal of 12919425 is 52491921.

It is not a de Polignac number, because 12919425 - 2¹⁴ = 12903041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12919427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86055 + ... + 86204.

It is an arithmetic number, because the mean of its divisors is an integer number (1780020).

Almost surely, 2^12919425 is an apocalyptic number.

12919425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12919425 is a deficient number, since it is larger than the sum of its proper divisors (8440815).

12919425 is a wasteful number, since it uses less digits than its factorization.

12919425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172272 (or 172267 counting only the distinct ones).

The product of its digits is 6480, while the sum is 33.

The square root of 12919425 is about 3594.3601655928. The cubic root of 12919425 is about 234.6466698679.

The spelling of 12919425 in words is "twelve million, nine hundred nineteen thousand, four hundred twenty-five".