11198904 has 64 divisors (see below), whose sum is σ = 30240000. Its totient is φ = 3444480.

The previous prime is 11198899. The next prime is 11198909. The reversal of 11198904 is 40989111.

11198904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11198899) and next prime (11198909).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11198909) 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, 18397 + ... + 18995.

It is an arithmetic number, because the mean of its divisors is an integer number (472500).

Almost surely, 2^11198904 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 11198904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15120000).

11198904 is an abundant number, since it is smaller than the sum of its proper divisors (19041096).

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

11198904 is a wasteful number, since it uses less digits than its factorization.

11198904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 33.

The square root of 11198904 is about 3346.4763558107. The cubic root of 11198904 is about 223.7304900646.

The spelling of 11198904 in words is "eleven million, one hundred ninety-eight thousand, nine hundred four".