11572212 has 12 divisors (see below), whose sum is σ = 27001856. Its totient is φ = 3857400.

The previous prime is 11572193. The next prime is 11572213. The reversal of 11572212 is 21227511.

11572212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572213) 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, 482164 + ... + 482187.

Almost surely, 2^11572212 is an apocalyptic number.

11572212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11572212 is an abundant number, since it is smaller than the sum of its proper divisors (15429644).

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

11572212 is a wasteful number, since it uses less digits than its factorization.

11572212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964358 (or 964356 counting only the distinct ones).

The product of its digits is 280, while the sum is 21.

The square root of 11572212 is about 3401.7954083101. The cubic root of 11572212 is about 226.1893367270.

Adding to 11572212 its reverse (21227511), we get a palindrome (32799723).

It can be divided in two parts, 115 and 72212, that added together give a palindrome (72327).

The spelling of 11572212 in words is "eleven million, five hundred seventy-two thousand, two hundred twelve".