12319425 has 24 divisors (see below), whose sum is σ = 22632480. Its totient is φ = 6570000.

The previous prime is 12319399. The next prime is 12319427. The reversal of 12319425 is 52491321.

12319425 is a `hidden beast` number, since 1 + 231 + 9 + 425 = 666.

It is not a de Polignac number, because 12319425 - 2⁶ = 12319361 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12319427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8451 + ... + 9800.

It is an arithmetic number, because the mean of its divisors is an integer number (943020).

Almost surely, 2^12319425 is an apocalyptic number.

12319425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12319425 is a deficient number, since it is larger than the sum of its proper divisors (10313055).

12319425 is a wasteful number, since it uses less digits than its factorization.

12319425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18270 (or 18259 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12319425 is about 3509.9038448368. The cubic root of 12319425 is about 230.9564768736.

The spelling of 12319425 in words is "twelve million, three hundred nineteen thousand, four hundred twenty-five".