1265812 has 6 divisors (see below), whose sum is σ = 2215178. Its totient is φ = 632904.

The previous prime is 1265801. The next prime is 1265813. The reversal of 1265812 is 2185621.

It can be written as a sum of positive squares in only one way, i.e., 767376 + 498436 = 876^2 + 706^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158223 + ... + 158230.

2^1265812 is an apocalyptic number.

It is an amenable number.

1265812 is a deficient number, since it is larger than the sum of its proper divisors (949366).

1265812 is a wasteful number, since it uses less digits than its factorization.

1265812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316457 (or 316455 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 1265812 is about 1125.0831080414. The cubic root of 1265812 is about 108.1740449313.

The spelling of 1265812 in words is "one million, two hundred sixty-five thousand, eight hundred twelve".