12919119 has 4 divisors (see below), whose sum is σ = 17225496. Its totient is φ = 8612744.

The previous prime is 12919117. The next prime is 12919163. The reversal of 12919119 is 91191921.

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

It is a cyclic number.

It is not a de Polignac number, because 12919119 - 2¹ = 12919117 is a prime.

It is a super-2 number, since 2×12919119² = 333807271472322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12919119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12919111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2153184 + ... + 2153189.

It is an arithmetic number, because the mean of its divisors is an integer number (4306374).

Almost surely, 2^12919119 is an apocalyptic number.

12919119 is a deficient number, since it is larger than the sum of its proper divisors (4306377).

12919119 is an equidigital number, since it uses as much as digits as its factorization.

12919119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4306376.

The product of its digits is 1458, while the sum is 33.

The square root of 12919119 is about 3594.3175986549. The cubic root of 12919119 is about 234.6448172972.

The spelling of 12919119 in words is "twelve million, nine hundred nineteen thousand, one hundred nineteen".