11492891 has 16 divisors (see below), whose sum is σ = 12558240. Its totient is φ = 10483200.

The previous prime is 11492881. The next prime is 11492917. The reversal of 11492891 is 19829411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11492891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11492861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101651 + ... + 101763.

It is an arithmetic number, because the mean of its divisors is an integer number (784890).

Almost surely, 2^11492891 is an apocalyptic number.

11492891 is a deficient number, since it is larger than the sum of its proper divisors (1065349).

11492891 is a wasteful number, since it uses less digits than its factorization.

11492891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286.

The product of its digits is 5184, while the sum is 35.

The square root of 11492891 is about 3390.1166646592. The cubic root of 11492891 is about 225.6713512198.

The spelling of 11492891 in words is "eleven million, four hundred ninety-two thousand, eight hundred ninety-one".