12504419 has 4 divisors (see below), whose sum is σ = 12525240. Its totient is φ = 12483600.

The previous prime is 12504391. The next prime is 12504431. The reversal of 12504419 is 91440521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12504419 is a prime.

It is a super-2 number, since 2×12504419² = 312720989055122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12504119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9482 + ... + 10719.

It is an arithmetic number, because the mean of its divisors is an integer number (3131310).

Almost surely, 2^12504419 is an apocalyptic number.

12504419 is a deficient number, since it is larger than the sum of its proper divisors (20821).

12504419 is an equidigital number, since it uses as much as digits as its factorization.

12504419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20820.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 12504419 is about 3536.1587916834. The cubic root of 12504419 is about 232.1067867000.

The spelling of 12504419 in words is "twelve million, five hundred four thousand, four hundred nineteen".