11722492 has 24 divisors (see below), whose sum is σ = 21092400. Its totient is φ = 5698560.

The previous prime is 11722489. The next prime is 11722499. The reversal of 11722492 is 29422711.

It is a self number, because there is not a number n which added to its sum of digits gives 11722492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722499) 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, 25884 + ... + 26332.

It is an arithmetic number, because the mean of its divisors is an integer number (878850).

Almost surely, 2^11722492 is an apocalyptic number.

It is an amenable number.

11722492 is a deficient number, since it is larger than the sum of its proper divisors (9369908).

11722492 is a wasteful number, since it uses less digits than its factorization.

11722492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 619 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 11722492 is about 3423.8124948659. The cubic root of 11722492 is about 227.1642481187.

The spelling of 11722492 in words is "eleven million, seven hundred twenty-two thousand, four hundred ninety-two".