1312679452 has 54 divisors (see below), whose sum is σ = 2707163816. Its totient is φ = 545568960.

The previous prime is 1312679449. The next prime is 1312679491. The reversal of 1312679452 is 2549762131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7860273 + ... + 7860439.

Almost surely, 2^1312679452 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312679452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353581908).

1312679452 is an abundant number, since it is smaller than the sum of its proper divisors (1394484364).

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

1312679452 is an equidigital number, since it uses as much as digits as its factorization.

1312679452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 217 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 1312679452 is about 36230.9184537185. The cubic root of 1312679452 is about 1094.9296819658.

It can be divided in two parts, 1312679 and 452, that added together give a palindrome (1313131).

The spelling of 1312679452 in words is "one billion, three hundred twelve million, six hundred seventy-nine thousand, four hundred fifty-two".