11899320 has 128 divisors (see below), whose sum is σ = 39916800. Its totient is φ = 2820096.

The previous prime is 11899291. The next prime is 11899333. The reversal of 11899320 is 2399811.

11899320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38607 + ... + 38913.

It is an arithmetic number, because the mean of its divisors is an integer number (311850).

Almost surely, 2^11899320 is an apocalyptic number.

11899320 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 11899320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19958400).

11899320 is an abundant number, since it is smaller than the sum of its proper divisors (28017480).

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

11899320 is a wasteful number, since it uses less digits than its factorization.

11899320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357 (or 353 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 11899320 is about 3449.5390996480. The cubic root of 11899320 is about 228.3007726434.

The spelling of 11899320 in words is "eleven million, eight hundred ninety-nine thousand, three hundred twenty".