1279353912 has 32 divisors (see below), whose sum is σ = 3266438400. Its totient is φ = 417377504.

The previous prime is 1279353893. The next prime is 1279353913. The reversal of 1279353912 is 2193539721.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279353913) 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 7 ways as a sum of consecutive naturals, for example, 565962 + ... + 568217.

It is an arithmetic number, because the mean of its divisors is an integer number (102076200).

Almost surely, 2^1279353912 is an apocalyptic number.

1279353912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1279353912 is an abundant number, since it is smaller than the sum of its proper divisors (1987084488).

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

1279353912 is a wasteful number, since it uses less digits than its factorization.

1279353912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134235 (or 1134231 counting only the distinct ones).

The product of its digits is 102060, while the sum is 42.

The square root of 1279353912 is about 35768.0571460067. The cubic root of 1279353912 is about 1085.5843333250.

The spelling of 1279353912 in words is "one billion, two hundred seventy-nine million, three hundred fifty-three thousand, nine hundred twelve".