1312086 has 8 divisors (see below), whose sum is σ = 2624184. Its totient is φ = 437360.

The previous prime is 1312079. The next prime is 1312093. The reversal of 1312086 is 6802131.

It is an interprime number because it is at equal distance from previous prime (1312079) and next prime (1312093).

It is a sphenic number, since it is the product of 3 distinct primes.

1312086 is an admirable number.

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 109335 + ... + 109346.

It is an arithmetic number, because the mean of its divisors is an integer number (328023).

2^1312086 is an apocalyptic number.

1312086 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1312086 is a wasteful number, since it uses less digits than its factorization.

1312086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218686.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1312086 is about 1145.4632250753. The cubic root of 1312086 is about 109.4764654077.

The spelling of 1312086 in words is "one million, three hundred twelve thousand, eighty-six".