11892491 has 8 divisors (see below), whose sum is σ = 12940704. Its totient is φ = 10863360.

The previous prime is 11892479. The next prime is 11892521. The reversal of 11892491 is 19429811.

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

It is a cyclic number.

It is not a de Polignac number, because 11892491 - 2⁶ = 11892427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11892421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3455 + ... + 5976.

It is an arithmetic number, because the mean of its divisors is an integer number (1617588).

Almost surely, 2^11892491 is an apocalyptic number.

11892491 is a deficient number, since it is larger than the sum of its proper divisors (1048213).

11892491 is an equidigital number, since it uses as much as digits as its factorization.

11892491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9541.

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

The square root of 11892491 is about 3448.5491152077. The cubic root of 11892491 is about 228.2570904745.

The spelling of 11892491 in words is "eleven million, eight hundred ninety-two thousand, four hundred ninety-one".