1311936 has 28 divisors (see below), whose sum is σ = 3471672. Its totient is φ = 437248.

The previous prime is 1311923. The next prime is 1311967. The reversal of 1311936 is 6391131.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3225 + ... + 3608.

2^1311936 is an apocalyptic number.

1311936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1311936 is an abundant number, since it is smaller than the sum of its proper divisors (2159736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311936 is an equidigital number, since it uses as much as digits as its factorization.

1311936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6848 (or 6838 counting only the distinct ones).

The product of its digits is 486, while the sum is 24.

The square root of 1311936 is about 1145.3977475096. The cubic root of 1311936 is about 109.4722934008.

The spelling of 1311936 in words is "one million, three hundred eleven thousand, nine hundred thirty-six".