1311740712 has 48 divisors (see below), whose sum is σ = 3571076340. Its totient is φ = 434976768.

The previous prime is 1311740711. The next prime is 1311740743. The reversal of 1311740712 is 2170471131.

It can be written as a sum of positive squares in 2 ways, for example, as 1253584836 + 58155876 = 35406^2 + 7626^2 .

It is not an unprimeable number, because it can be changed into a prime (1311740711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33303 + ... + 61094.

Almost surely, 2^1311740712 is an apocalyptic number.

1311740712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1311740712 is an abundant number, since it is smaller than the sum of its proper divisors (2259335628).

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

1311740712 is a wasteful number, since it uses less digits than its factorization.

1311740712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94602 (or 94595 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 1311740712 is about 36217.9611795032. The cubic root of 1311740712 is about 1094.6686130499.

The spelling of 1311740712 in words is "one billion, three hundred eleven million, seven hundred forty thousand, seven hundred twelve".