11539228 has 6 divisors (see below), whose sum is σ = 20193656. Its totient is φ = 5769612.

The previous prime is 11539207. The next prime is 11539237. The reversal of 11539228 is 82293511.

It is a self number, because there is not a number n which added to its sum of digits gives 11539228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1442400 + ... + 1442407.

Almost surely, 2^11539228 is an apocalyptic number.

It is an amenable number.

11539228 is a deficient number, since it is larger than the sum of its proper divisors (8654428).

11539228 is a wasteful number, since it uses less digits than its factorization.

11539228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884811 (or 2884809 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 11539228 is about 3396.9439206440. The cubic root of 11539228 is about 225.9742315361.

The spelling of 11539228 in words is "eleven million, five hundred thirty-nine thousand, two hundred twenty-eight".