11899328 has 28 divisors (see below), whose sum is σ = 26986992. Its totient is φ = 5099520.

The previous prime is 11899291. The next prime is 11899333. The reversal of 11899328 is 82399811.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12833 + ... + 13728.

Almost surely, 2^11899328 is an apocalyptic number.

It is an amenable number.

11899328 is an abundant number, since it is smaller than the sum of its proper divisors (15087664).

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

11899328 is an equidigital number, since it uses as much as digits as its factorization.

11899328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26580 (or 26570 counting only the distinct ones).

The product of its digits is 31104, while the sum is 41.

The square root of 11899328 is about 3449.5402592230. The cubic root of 11899328 is about 228.3008238062.

The spelling of 11899328 in words is "eleven million, eight hundred ninety-nine thousand, three hundred twenty-eight".