11900928 has 96 divisors (see below), whose sum is σ = 34398000. Its totient is φ = 3637248.

The previous prime is 11900927. The next prime is 11900951. The reversal of 11900928 is 82900911.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×11900928² = 283264174522368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11900895 and 11900904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11900927) 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, 79798 + ... + 79946.

Almost surely, 2^11900928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11900928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17199000).

11900928 is an abundant number, since it is smaller than the sum of its proper divisors (22497072).

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

11900928 is a wasteful number, since it uses less digits than its factorization.

11900928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 11900928 is about 3449.7721663901. The cubic root of 11900928 is about 228.3110558951.

The spelling of 11900928 in words is "eleven million, nine hundred thousand, nine hundred twenty-eight".