11998804 has 48 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 5184000.

The previous prime is 11998769. The next prime is 11998807. The reversal of 11998804 is 40889911.

11998804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×11998804⁵ (a number of 37 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11998807) 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, 47679 + ... + 47929.

It is an arithmetic number, because the mean of its divisors is an integer number (502740).

Almost surely, 2^11998804 is an apocalyptic number.

It is an amenable number.

11998804 is an abundant number, since it is smaller than the sum of its proper divisors (12132716).

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

11998804 is a wasteful number, since it uses less digits than its factorization.

11998804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 11998804 is about 3463.9289831057. The cubic root of 11998804 is about 228.9352422678.

The spelling of 11998804 in words is "eleven million, nine hundred ninety-eight thousand, eight hundred four".