12919422 has 32 divisors (see below), whose sum is σ = 28553472. Its totient is φ = 3876224.

The previous prime is 12919397. The next prime is 12919427. The reversal of 12919422 is 22491921.

It is a happy number.

12919422 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 super-2 number, since 2×12919422² = 333822929628168, 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 12919422.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 408 + ... + 5099.

It is an arithmetic number, because the mean of its divisors is an integer number (892296).

Almost surely, 2^12919422 is an apocalyptic number.

12919422 is an abundant number, since it is smaller than the sum of its proper divisors (15634050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12919422 is a wasteful number, since it uses less digits than its factorization.

12919422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552.

The product of its digits is 2592, while the sum is 30.

The square root of 12919422 is about 3594.3597482723. The cubic root of 12919422 is about 234.6466517056.

The spelling of 12919422 in words is "twelve million, nine hundred nineteen thousand, four hundred twenty-two".