11691492 has 24 divisors (see below), whose sum is σ = 27428352. Its totient is φ = 3876000.

The previous prime is 11691487. The next prime is 11691509. The reversal of 11691492 is 29419611.

11691492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 259 + ... + 4842.

It is an arithmetic number, because the mean of its divisors is an integer number (1142848).

Almost surely, 2^11691492 is an apocalyptic number.

11691492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11691492 is an abundant number, since it is smaller than the sum of its proper divisors (15736860).

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

11691492 is a wasteful number, since it uses less digits than its factorization.

11691492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299 (or 5297 counting only the distinct ones).

The product of its digits is 3888, while the sum is 33.

The square root of 11691492 is about 3419.2823808513. The cubic root of 11691492 is about 226.9638268998.

The spelling of 11691492 in words is "eleven million, six hundred ninety-one thousand, four hundred ninety-two".