11312887 has 2 divisors, whose sum is σ = 11312888. Its totient is φ = 11312886.

The previous prime is 11312881. The next prime is 11312893. The reversal of 11312887 is 78821311.

It is a happy number.

11312887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11312881) and next prime (11312893).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11312881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656443 + 5656444.

It is an arithmetic number, because the mean of its divisors is an integer number (5656444).

Almost surely, 2^11312887 is an apocalyptic number.

11312887 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312887 is an equidigital number, since it uses as much as digits as its factorization.

11312887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 31.

The square root of 11312887 is about 3363.4635422433. The cubic root of 11312887 is about 224.4869759956.

The spelling of 11312887 in words is "eleven million, three hundred twelve thousand, eight hundred eighty-seven".