11698128 has 80 divisors (see below), whose sum is σ = 36178240. Its totient is φ = 3597696.

The previous prime is 11698117. The next prime is 11698171. The reversal of 11698128 is 82189611.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11698092 and 11698101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4575 + ... + 6657.

It is an arithmetic number, because the mean of its divisors is an integer number (452228).

Almost surely, 2^11698128 is an apocalyptic number.

11698128 is a gapful number since it is divisible by the number (18) 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 11698128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18089120).

11698128 is an abundant number, since it is smaller than the sum of its proper divisors (24480112).

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

11698128 is a wasteful number, since it uses less digits than its factorization.

11698128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2113 (or 2101 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 11698128 is about 3420.2526222488. The cubic root of 11698128 is about 227.0067597462.

The spelling of 11698128 in words is "eleven million, six hundred ninety-eight thousand, one hundred twenty-eight".