11138572 has 6 divisors (see below), whose sum is σ = 19492508. Its totient is φ = 5569284.

The previous prime is 11138563. The next prime is 11138573. The reversal of 11138572 is 27583111.

11138572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11138572.

It is not an unprimeable number, because it can be changed into a prime (11138573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392318 + ... + 1392325.

Almost surely, 2^11138572 is an apocalyptic number.

It is an amenable number.

11138572 is a deficient number, since it is larger than the sum of its proper divisors (8353936).

11138572 is a wasteful number, since it uses less digits than its factorization.

11138572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784647 (or 2784645 counting only the distinct ones).

The product of its digits is 1680, while the sum is 28.

The square root of 11138572 is about 3337.4499247180. The cubic root of 11138572 is about 223.3279976944.

It can be divided in two parts, 111 and 38572, that added together give a palindrome (38683).

The spelling of 11138572 in words is "eleven million, one hundred thirty-eight thousand, five hundred seventy-two".