12100804 has 12 divisors (see below), whose sum is σ = 22422204. Its totient is φ = 5694464.

The previous prime is 12100793. The next prime is 12100807. The reversal of 12100804 is 40800121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6350400 + 5750404 = 2520^2 + 2398^2 .

It is not an unprimeable number, because it can be changed into a prime (12100807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88909 + ... + 89044.

It is an arithmetic number, because the mean of its divisors is an integer number (1868517).

Almost surely, 2^12100804 is an apocalyptic number.

It is an amenable number.

12100804 is a deficient number, since it is larger than the sum of its proper divisors (10321400).

12100804 is a wasteful number, since it uses less digits than its factorization.

12100804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177974 (or 177972 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 12100804 is about 3478.6209911400. The cubic root of 12100804 is about 229.5821272008.

Subtracting from 12100804 its product of nonzero digits (64), we obtain a triangular number (12100740 = T₄₉₁₉).

Adding to 12100804 its reverse (40800121), we get a palindrome (52900925).

The spelling of 12100804 in words is "twelve million, one hundred thousand, eight hundred four".