11498988 has 48 divisors (see below), whose sum is σ = 28498176. Its totient is φ = 3600960.

The previous prime is 11498957. The next prime is 11498989. The reversal of 11498988 is 88989411.

It is not an unprimeable number, because it can be changed into a prime (11498989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16495 + ... + 17177.

It is an arithmetic number, because the mean of its divisors is an integer number (593712).

Almost surely, 2^11498988 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 11498988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14249088).

11498988 is an abundant number, since it is smaller than the sum of its proper divisors (16999188).

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

11498988 is a wasteful number, since it uses less digits than its factorization.

11498988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774 (or 772 counting only the distinct ones).

The product of its digits is 165888, while the sum is 48.

The square root of 11498988 is about 3391.0157770202. The cubic root of 11498988 is about 225.7112505219.

The spelling of 11498988 in words is "eleven million, four hundred ninety-eight thousand, nine hundred eighty-eight".