1312292 has 24 divisors (see below), whose sum is σ = 2499840. Its totient is φ = 600480.

The previous prime is 1312277. The next prime is 1312301. The reversal of 1312292 is 2922131.

It is a super-2 number, since 2×1312292² = 3444220586528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2078 + ... + 2634.

It is an arithmetic number, because the mean of its divisors is an integer number (104160).

2^1312292 is an apocalyptic number.

It is an amenable number.

1312292 is a deficient number, since it is larger than the sum of its proper divisors (1187548).

1312292 is a wasteful number, since it uses less digits than its factorization.

1312292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 609 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

The square root of 1312292 is about 1145.5531414998. The cubic root of 1312292 is about 109.4821944457.

The spelling of 1312292 in words is "one million, three hundred twelve thousand, two hundred ninety-two".