11139772 has 12 divisors (see below), whose sum is σ = 22279600. Its totient is φ = 4774176.

The previous prime is 11139769. The next prime is 11139773. The reversal of 11139772 is 27793111.

11139772 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11139773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198897 + ... + 198952.

Almost surely, 2^11139772 is an apocalyptic number.

It is an amenable number.

11139772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11139772 is a wasteful number, since it uses less digits than its factorization.

11139772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397860 (or 397858 counting only the distinct ones).

The product of its digits is 2646, while the sum is 31.

The square root of 11139772 is about 3337.6296978545. The cubic root of 11139772 is about 223.3360173931.

It can be divided in two parts, 11139 and 772, that added together give a palindrome (11911).

The spelling of 11139772 in words is "eleven million, one hundred thirty-nine thousand, seven hundred seventy-two".