1275812 has 12 divisors (see below), whose sum is σ = 2350320. Its totient is φ = 604296.

The previous prime is 1275803. The next prime is 1275817. The reversal of 1275812 is 2185721.

It is not an unprimeable number, because it can be changed into a prime (1275817) 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, 8318 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (195860).

2^1275812 is an apocalyptic number.

It is an amenable number.

1275812 is a deficient number, since it is larger than the sum of its proper divisors (1074508).

1275812 is a wasteful number, since it uses less digits than its factorization.

1275812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16810 (or 16808 counting only the distinct ones).

The product of its digits is 1120, while the sum is 26.

The square root of 1275812 is about 1129.5184814778. The cubic root of 1275812 is about 108.4581588120.

Subtracting 1275812 from its reverse (2185721), we obtain a palindrome (909909).

The spelling of 1275812 in words is "one million, two hundred seventy-five thousand, eight hundred twelve".