1276264 has 16 divisors (see below), whose sum is σ = 2610720. Its totient is φ = 580080.

The previous prime is 1276243. The next prime is 1276271. The reversal of 1276264 is 4626721.

It is an unprimeable number.

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, 7164 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (163170).

2^1276264 is an apocalyptic number.

It is an amenable number.

1276264 is an abundant number, since it is smaller than the sum of its proper divisors (1334456).

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

1276264 is a wasteful number, since it uses less digits than its factorization.

1276264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14520 (or 14516 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 1276264 is about 1129.7185490201. The cubic root of 1276264 is about 108.4709656361.

It can be divided in two parts, 1276 and 264, that added together give a triangular number (1540 = T₅₅).

The spelling of 1276264 in words is "one million, two hundred seventy-six thousand, two hundred sixty-four".