1313842647 has 16 divisors (see below), whose sum is σ = 1985836160. Its totient is φ = 765964512.

The previous prime is 1313842627. The next prime is 1313842667. The reversal of 1313842647 is 7462483131.

It is an interprime number because it is at equal distance from previous prime (1313842627) and next prime (1313842667).

It is not a de Polignac number, because 1313842647 - 2²³ = 1305454039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313842627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885793 + ... + 887274.

It is an arithmetic number, because the mean of its divisors is an integer number (124114760).

Almost surely, 2^1313842647 is an apocalyptic number.

1313842647 is a deficient number, since it is larger than the sum of its proper divisors (671993513).

1313842647 is a wasteful number, since it uses less digits than its factorization.

1313842647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773102.

The product of its digits is 96768, while the sum is 39.

The square root of 1313842647 is about 36246.9674179786. The cubic root of 1313842647 is about 1095.2530004833.

The spelling of 1313842647 in words is "one billion, three hundred thirteen million, eight hundred forty-two thousand, six hundred forty-seven".