1312752 has 40 divisors (see below), whose sum is σ = 3876736. Its totient is φ = 374976.

The previous prime is 1312739. The next prime is 1312769. The reversal of 1312752 is 2572131.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

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, 1618 + ... + 2289.

2^1312752 is an apocalyptic number.

1312752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1312752 is an abundant number, since it is smaller than the sum of its proper divisors (2563984).

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

1312752 is a wasteful number, since it uses less digits than its factorization.

1312752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925 (or 3919 counting only the distinct ones).

The product of its digits is 420, while the sum is 21.

The square root of 1312752 is about 1145.7539002770. The cubic root of 1312752 is about 109.4949852794.

Adding to 1312752 its reverse (2572131), we get a palindrome (3884883).

The spelling of 1312752 in words is "one million, three hundred twelve thousand, seven hundred fifty-two".