1319426912 has 24 divisors (see below), whose sum is σ = 2641653000. Its totient is φ = 648530944.

The previous prime is 1319426909. The next prime is 1319426917. The reversal of 1319426912 is 2196249131.

It is a super-2 number, since 2×1319426912² = 3481774752219711488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1319426917) 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, 347537 + ... + 351312.

It is an arithmetic number, because the mean of its divisors is an integer number (110068875).

Almost surely, 2^1319426912 is an apocalyptic number.

It is an amenable number.

1319426912 is an abundant number, since it is smaller than the sum of its proper divisors (1322226088).

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

1319426912 is an equidigital number, since it uses as much as digits as its factorization.

1319426912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698918 (or 698910 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 1319426912 is about 36323.9165289207. The cubic root of 1319426912 is about 1096.8025361522.

The spelling of 1319426912 in words is "one billion, three hundred nineteen million, four hundred twenty-six thousand, nine hundred twelve".