1265456 has 20 divisors (see below), whose sum is σ = 2473800. Its totient is φ = 627072.

The previous prime is 1265449. The next prime is 1265461. The reversal of 1265456 is 6545621.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1940 + ... + 2508.

It is an arithmetic number, because the mean of its divisors is an integer number (123690).

2^1265456 is an apocalyptic number.

1265456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1265456 is a deficient number, since it is larger than the sum of its proper divisors (1208344).

1265456 is a wasteful number, since it uses less digits than its factorization.

1265456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716 (or 710 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 1265456 is about 1124.9248863813. The cubic root of 1265456 is about 108.1639029380.

The spelling of 1265456 in words is "one million, two hundred sixty-five thousand, four hundred fifty-six".