11772442 has 16 divisors (see below), whose sum is σ = 19368000. Its totient is φ = 5322240.

The previous prime is 11772433. The next prime is 11772443. The reversal of 11772442 is 24427711.

It is a self number, because there is not a number n which added to its sum of digits gives 11772442.

It is not an unprimeable number, because it can be changed into a prime (11772443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3034 + ... + 5722.

It is an arithmetic number, because the mean of its divisors is an integer number (1210500).

Almost surely, 2^11772442 is an apocalyptic number.

11772442 is a deficient number, since it is larger than the sum of its proper divisors (7595558).

11772442 is a wasteful number, since it uses less digits than its factorization.

11772442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901.

The product of its digits is 3136, while the sum is 28.

The square root of 11772442 is about 3431.0992407682. The cubic root of 11772442 is about 227.4864428583.

The spelling of 11772442 in words is "eleven million, seven hundred seventy-two thousand, four hundred forty-two".