12919479 has 8 divisors (see below), whose sum is σ = 17626752. Its totient is φ = 8412600.

The previous prime is 12919463. The next prime is 12919483. The reversal of 12919479 is 97491921.

12919479 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12919479 - 2⁴ = 12919463 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12919479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12919429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49947 + ... + 50204.

It is an arithmetic number, because the mean of its divisors is an integer number (2203344).

Almost surely, 2^12919479 is an apocalyptic number.

12919479 is a deficient number, since it is larger than the sum of its proper divisors (4707273).

12919479 is a wasteful number, since it uses less digits than its factorization.

12919479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100197.

The product of its digits is 40824, while the sum is 42.

The square root of 12919479 is about 3594.3676773530. The cubic root of 12919479 is about 234.6469967892.

The spelling of 12919479 in words is "twelve million, nine hundred nineteen thousand, four hundred seventy-nine".