1312299071 has 8 divisors (see below), whose sum is σ = 1390859424. Its totient is φ = 1233890560.

The previous prime is 1312299067. The next prime is 1312299073. The reversal of 1312299071 is 1709922131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312299071 - 2² = 1312299067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312299073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19910 + ... + 54963.

It is an arithmetic number, because the mean of its divisors is an integer number (173857428).

Almost surely, 2^1312299071 is an apocalyptic number.

1312299071 is a deficient number, since it is larger than the sum of its proper divisors (78560353).

1312299071 is a wasteful number, since it uses less digits than its factorization.

1312299071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75921.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 1312299071 is about 36225.6686756780. The cubic root of 1312299071 is about 1094.8239108571.

The spelling of 1312299071 in words is "one billion, three hundred twelve million, two hundred ninety-nine thousand, seventy-one".