1312701739 has 8 divisors (see below), whose sum is σ = 1323518112. Its totient is φ = 1301913600.

The previous prime is 1312701737. The next prime is 1312701743. The reversal of 1312701739 is 9371072131.

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 1312701739 - 2¹ = 1312701737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312701737) 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, 91947 + ... + 105259.

It is an arithmetic number, because the mean of its divisors is an integer number (165439764).

Almost surely, 2^1312701739 is an apocalyptic number.

1312701739 is a deficient number, since it is larger than the sum of its proper divisors (10816373).

1312701739 is a wasteful number, since it uses less digits than its factorization.

1312701739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14117.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 1312701739 is about 36231.2260212099. The cubic root of 1312701739 is about 1094.9358785941.

The spelling of 1312701739 in words is "one billion, three hundred twelve million, seven hundred one thousand, seven hundred thirty-nine".