1311883 has 4 divisors (see below), whose sum is σ = 1329928. Its totient is φ = 1293840.

The previous prime is 1311857. The next prime is 1311899. The reversal of 1311883 is 3881131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1311883 - 2¹⁷ = 1180811 is a prime.

It is an Ulam number.

It is a Duffinian number.

1311883 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1311853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8913 + ... + 9058.

It is an arithmetic number, because the mean of its divisors is an integer number (332482).

2^1311883 is an apocalyptic number.

1311883 is a deficient number, since it is larger than the sum of its proper divisors (18045).

1311883 is an equidigital number, since it uses as much as digits as its factorization.

1311883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18044.

The product of its digits is 576, while the sum is 25.

The square root of 1311883 is about 1145.3746112081. The cubic root of 1311883 is about 109.4708192156.

The spelling of 1311883 in words is "one million, three hundred eleven thousand, eight hundred eighty-three".