11328857 has 8 divisors (see below), whose sum is σ = 12203520. Its totient is φ = 10486080.

The previous prime is 11328827. The next prime is 11328881. The reversal of 11328857 is 75882311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11328857 - 2¹⁶ = 11263321 is a prime.

It is a super-3 number, since 3×11328857³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11328827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7232 + ... + 8657.

It is an arithmetic number, because the mean of its divisors is an integer number (1525440).

Almost surely, 2^11328857 is an apocalyptic number.

It is an amenable number.

11328857 is a deficient number, since it is larger than the sum of its proper divisors (874663).

11328857 is a wasteful number, since it uses less digits than its factorization.

11328857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15943.

The product of its digits is 13440, while the sum is 35.

The square root of 11328857 is about 3365.8367458925. The cubic root of 11328857 is about 224.5925597533.

The spelling of 11328857 in words is "eleven million, three hundred twenty-eight thousand, eight hundred fifty-seven".