12116404 has 6 divisors (see below), whose sum is σ = 21203714. Its totient is φ = 6058200.

The previous prime is 12116399. The next prime is 12116413. The reversal of 12116404 is 40461121.

12116404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6260004 + 5856400 = 2502^2 + 2420^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1514547 + ... + 1514554.

Almost surely, 2^12116404 is an apocalyptic number.

It is an amenable number.

12116404 is a deficient number, since it is larger than the sum of its proper divisors (9087310).

12116404 is a wasteful number, since it uses less digits than its factorization.

12116404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3029105 (or 3029103 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12116404 is about 3480.8625367860. The cubic root of 12116404 is about 229.6807416741.

Adding to 12116404 its reverse (40461121), we get a palindrome (52577525).

The spelling of 12116404 in words is "twelve million, one hundred sixteen thousand, four hundred four".