11905120 has 48 divisors (see below), whose sum is σ = 28900368. Its totient is φ = 4631040.

The previous prime is 11905097. The next prime is 11905121. The reversal of 11905120 is 2150911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11905121) 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, 4915 + ... + 6925.

It is an arithmetic number, because the mean of its divisors is an integer number (602091).

Almost surely, 2^11905120 is an apocalyptic number.

11905120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11905120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14450184).

11905120 is an abundant number, since it is smaller than the sum of its proper divisors (16995248).

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

11905120 is a wasteful number, since it uses less digits than its factorization.

11905120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063 (or 2055 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 11905120 is about 3450.3796892516. The cubic root of 11905120 is about 228.3378596198.

The spelling of 11905120 in words is "eleven million, nine hundred five thousand, one hundred twenty".