1311086 has 16 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 553560.

The previous prime is 1311067. The next prime is 1311097. The reversal of 1311086 is 6801131.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335 + ... + 1653.

It is an arithmetic number, because the mean of its divisors is an integer number (142560).

2^1311086 is an apocalyptic number.

1311086 is a deficient number, since it is larger than the sum of its proper divisors (969874).

1311086 is a wasteful number, since it uses less digits than its factorization.

1311086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 1311086 is about 1145.0266372447. The cubic root of 1311086 is about 109.4486460195.

The spelling of 1311086 in words is "one million, three hundred eleven thousand, eighty-six".