11898880 has 104 divisors (see below), whose sum is σ = 33026112. Its totient is φ = 4030464.

The previous prime is 11898877. The next prime is 11898881. The reversal of 11898880 is 8889811.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (11898881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143319 + ... + 143401.

Almost surely, 2^11898880 is an apocalyptic number.

11898880 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 11898880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16513056).

11898880 is an abundant number, since it is smaller than the sum of its proper divisors (21127232).

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

11898880 is an frugal number, since it uses more digits than its factorization.

11898880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 43.

The square root of 11898880 is about 3449.4753224222. The cubic root of 11898880 is about 228.2979586569.

The spelling of 11898880 in words is "eleven million, eight hundred ninety-eight thousand, eight hundred eighty".