1312004760 has 64 divisors (see below), whose sum is σ = 4293838080. Its totient is φ = 318061440.

The previous prime is 1312004741. The next prime is 1312004779. The reversal of 1312004760 is 674002131.

It is an interprime number because it is at equal distance from previous prime (1312004741) and next prime (1312004779).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1312004760.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495652 + ... + 498291.

It is an arithmetic number, because the mean of its divisors is an integer number (67091220).

Almost surely, 2^1312004760 is an apocalyptic number.

1312004760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312004760 is an abundant number, since it is smaller than the sum of its proper divisors (2981833320).

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

1312004760 is a wasteful number, since it uses less digits than its factorization.

1312004760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993968 (or 993964 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1312004760 is about 36221.6062592481. The cubic root of 1312004760 is about 1094.7420588823.

Adding to 1312004760 its reverse (674002131), we get a palindrome (1986006891).

The spelling of 1312004760 in words is "one billion, three hundred twelve million, four thousand, seven hundred sixty".