12136804 has 12 divisors (see below), whose sum is σ = 21588028. Its totient is φ = 5968800.

The previous prime is 12136783. The next prime is 12136829. The reversal of 12136804 is 40863121.

It can be written as a sum of positive squares in 2 ways, for example, as 5531904 + 6604900 = 2352^2 + 2570^2 .

It is a super-2 number, since 2×12136804² = 294604022668832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24627 + ... + 25114.

Almost surely, 2^12136804 is an apocalyptic number.

It is an amenable number.

12136804 is a deficient number, since it is larger than the sum of its proper divisors (9451224).

12136804 is a wasteful number, since it uses less digits than its factorization.

12136804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49806 (or 49804 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 12136804 is about 3483.7916125968. The cubic root of 12136804 is about 229.8095714266.

Adding to 12136804 its reverse (40863121), we get a palindrome (52999925).

The spelling of 12136804 in words is "twelve million, one hundred thirty-six thousand, eight hundred four".