1312056 has 24 divisors (see below), whose sum is σ = 3553680. Its totient is φ = 437328.

The previous prime is 1312027. The next prime is 1312079. The reversal of 1312056 is 6502131.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9040 + ... + 9183.

It is an arithmetic number, because the mean of its divisors is an integer number (148070).

2^1312056 is an apocalyptic number.

It is an amenable number.

1312056 is an abundant number, since it is smaller than the sum of its proper divisors (2241624).

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

1312056 is a wasteful number, since it uses less digits than its factorization.

1312056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18235 (or 18228 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1312056 is about 1145.4501298616. The cubic root of 1312056 is about 109.4756310318.

Adding to 1312056 its reverse (6502131), we get a palindrome (7814187).

It can be divided in two parts, 131 and 2056, that added together give a 7-th power (2187 = 3⁷).

The spelling of 1312056 in words is "one million, three hundred twelve thousand, fifty-six".