11998113 has 8 divisors (see below), whose sum is σ = 16338048. Its totient is φ = 7828464.

The previous prime is 11998067. The next prime is 11998121. The reversal of 11998113 is 31189911.

It is a happy number.

11998113 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11998113 - 2¹⁷ = 11867041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11998123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42406 + ... + 42687.

It is an arithmetic number, because the mean of its divisors is an integer number (2042256).

Almost surely, 2^11998113 is an apocalyptic number.

It is an amenable number.

11998113 is a deficient number, since it is larger than the sum of its proper divisors (4339935).

11998113 is an equidigital number, since it uses as much as digits as its factorization.

11998113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85143.

The product of its digits is 1944, while the sum is 33.

The square root of 11998113 is about 3463.8292394401. The cubic root of 11998113 is about 228.9308474606.

The spelling of 11998113 in words is "eleven million, nine hundred ninety-eight thousand, one hundred thirteen".