1312892 has 12 divisors (see below), whose sum is σ = 2625840. Its totient is φ = 562656.

The previous prime is 1312891. The next prime is 1312907. The reversal of 1312892 is 2982131.

1312892 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312891) 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, 23417 + ... + 23472.

It is an arithmetic number, because the mean of its divisors is an integer number (218820).

2^1312892 is an apocalyptic number.

It is an amenable number.

1312892 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1312892 is a wasteful number, since it uses less digits than its factorization.

1312892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46900 (or 46898 counting only the distinct ones).

The product of its digits is 864, while the sum is 26.

The square root of 1312892 is about 1145.8149937926. The cubic root of 1312892 is about 109.4988775487.

The spelling of 1312892 in words is "one million, three hundred twelve thousand, eight hundred ninety-two".