11539028 has 12 divisors (see below), whose sum is σ = 20420820. Its totient is φ = 5704512.

The previous prime is 11539027. The next prime is 11539049. The reversal of 11539028 is 82093511.

It can be written as a sum of positive squares in 2 ways, for example, as 6646084 + 4892944 = 2578^2 + 2212^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11539027) 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, 15851 + ... + 16562.

It is an arithmetic number, because the mean of its divisors is an integer number (1701735).

Almost surely, 2^11539028 is an apocalyptic number.

It is an amenable number.

11539028 is a deficient number, since it is larger than the sum of its proper divisors (8881792).

11539028 is a wasteful number, since it uses less digits than its factorization.

11539028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32506 (or 32504 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 11539028 is about 3396.9144822912. The cubic root of 11539028 is about 225.9729259864.

The spelling of 11539028 in words is "eleven million, five hundred thirty-nine thousand, twenty-eight".