11298980 has 144 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 3252480.

The previous prime is 11298961. The next prime is 11299007. The reversal of 11298980 is 8989211.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 389606 + ... + 389634.

It is an arithmetic number, because the mean of its divisors is an integer number (223440).

Almost surely, 2^11298980 is an apocalyptic number.

11298980 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 11298980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16087680).

11298980 is an abundant number, since it is smaller than the sum of its proper divisors (20876380).

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

11298980 is a wasteful number, since it uses less digits than its factorization.

11298980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 77 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 38.

The square root of 11298980 is about 3361.3955435206. The cubic root of 11298980 is about 224.3949505464.

The spelling of 11298980 in words is "eleven million, two hundred ninety-eight thousand, nine hundred eighty".