11881198 has 16 divisors (see below), whose sum is σ = 21566304. Its totient is φ = 4792320.

The previous prime is 11881193. The next prime is 11881223. The reversal of 11881198 is 89118811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11881193) 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, 24723 + ... + 25198.

It is an arithmetic number, because the mean of its divisors is an integer number (1347894).

Almost surely, 2^11881198 is an apocalyptic number.

11881198 is a deficient number, since it is larger than the sum of its proper divisors (9685106).

11881198 is a wasteful number, since it uses less digits than its factorization.

11881198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49947.

The product of its digits is 4608, while the sum is 37.

The square root of 11881198 is about 3446.9113710683. The cubic root of 11881198 is about 228.1848173156.

The spelling of 11881198 in words is "eleven million, eight hundred eighty-one thousand, one hundred ninety-eight".