1312532 has 24 divisors (see below), whose sum is σ = 2535456. Its totient is φ = 590688.

The previous prime is 1312523. The next prime is 1312543. The reversal of 1312532 is 2352131.

It is a self number, because there is not a number n which added to its sum of digits gives 1312532.

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 7 ways as a sum of consecutive naturals, for example, 1943 + ... + 2529.

It is an arithmetic number, because the mean of its divisors is an integer number (105644).

2^1312532 is an apocalyptic number.

It is an amenable number.

1312532 is a deficient number, since it is larger than the sum of its proper divisors (1222924).

1312532 is a wasteful number, since it uses less digits than its factorization.

1312532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647 (or 645 counting only the distinct ones).

The product of its digits is 180, while the sum is 17.

The square root of 1312532 is about 1145.6578895988. The cubic root of 1312532 is about 109.4888682970.

Adding to 1312532 its reverse (2352131), we get a palindrome (3664663).

The spelling of 1312532 in words is "one million, three hundred twelve thousand, five hundred thirty-two".