1311372677 has 8 divisors (see below), whose sum is σ = 1349912256. Its totient is φ = 1273198752.

The previous prime is 1311372641. The next prime is 1311372701. The reversal of 1311372677 is 7762731131.

It is a happy number.

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 1311372677 - 2²⁰ = 1310324101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311372677.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311374677) 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, 84128 + ... + 98489.

It is an arithmetic number, because the mean of its divisors is an integer number (168739032).

Almost surely, 2^1311372677 is an apocalyptic number.

It is an amenable number.

1311372677 is a deficient number, since it is larger than the sum of its proper divisors (38539579).

1311372677 is a wasteful number, since it uses less digits than its factorization.

1311372677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182827.

The product of its digits is 37044, while the sum is 38.

The square root of 1311372677 is about 36212.8799876508. The cubic root of 1311372677 is about 1094.5662264417.

The spelling of 1311372677 in words is "one billion, three hundred eleven million, three hundred seventy-two thousand, six hundred seventy-seven".