11538212 has 24 divisors (see below), whose sum is σ = 23237760. Its totient is φ = 4910400.

The previous prime is 11538199. The next prime is 11538221. The reversal of 11538212 is 21283511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2864 + ... + 5592.

It is an arithmetic number, because the mean of its divisors is an integer number (968240).

Almost surely, 2^11538212 is an apocalyptic number.

It is an amenable number.

11538212 is an abundant number, since it is smaller than the sum of its proper divisors (11699548).

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

11538212 is a wasteful number, since it uses less digits than its factorization.

11538212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2891 (or 2889 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 11538212 is about 3396.7943711682. The cubic root of 11538212 is about 225.9675991872.

The spelling of 11538212 in words is "eleven million, five hundred thirty-eight thousand, two hundred twelve".