11920492 has 24 divisors (see below), whose sum is σ = 21676032. Its totient is φ = 5730000.

The previous prime is 11920487. The next prime is 11920511. The reversal of 11920492 is 29402911.

It is a happy number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11920492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30933 + ... + 31315.

It is an arithmetic number, because the mean of its divisors is an integer number (903168).

Almost surely, 2^11920492 is an apocalyptic number.

It is an amenable number.

11920492 is a deficient number, since it is larger than the sum of its proper divisors (9755540).

11920492 is a wasteful number, since it uses less digits than its factorization.

11920492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669 (or 667 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 11920492 is about 3452.6065515781. The cubic root of 11920492 is about 228.4360946633.

The spelling of 11920492 in words is "eleven million, nine hundred twenty thousand, four hundred ninety-two".