1264650312 has 32 divisors (see below), whose sum is σ = 3162700800. Its totient is φ = 421406784.

The previous prime is 1264650293. The next prime is 1264650323. The reversal of 1264650312 is 2130564621.

It is a self number, because there is not a number n which added to its sum of digits gives 1264650312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81913 + ... + 96119.

It is an arithmetic number, because the mean of its divisors is an integer number (98834400).

Almost surely, 2^1264650312 is an apocalyptic number.

1264650312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1264650312 is an abundant number, since it is smaller than the sum of its proper divisors (1898050488).

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

1264650312 is a wasteful number, since it uses less digits than its factorization.

1264650312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17925 (or 17921 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1264650312 is about 35561.9222202625. The cubic root of 1264650312 is about 1081.4094287194.

The spelling of 1264650312 in words is "one billion, two hundred sixty-four million, six hundred fifty thousand, three hundred twelve".