1311699 has 8 divisors (see below), whose sum is σ = 1809360. Its totient is φ = 844256.

The previous prime is 1311691. The next prime is 1311701. The reversal of 1311699 is 9961131.

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 1311699 - 2³ = 1311691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311691) 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, 7452 + ... + 7625.

It is an arithmetic number, because the mean of its divisors is an integer number (226170).

2^1311699 is an apocalyptic number.

1311699 is a deficient number, since it is larger than the sum of its proper divisors (497661).

1311699 is a wasteful number, since it uses less digits than its factorization.

1311699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15109.

The product of its digits is 1458, while the sum is 30.

The square root of 1311699 is about 1145.2942853258. The cubic root of 1311699 is about 109.4657009816.

It can be divided in two parts, 131 and 1699, that added together give a triangular number (1830 = T₆₀).

The spelling of 1311699 in words is "one million, three hundred eleven thousand, six hundred ninety-nine".