12078636 has 24 divisors (see below), whose sum is σ = 29841840. Its totient is φ = 3789312.

The previous prime is 12078629. The next prime is 12078643. The reversal of 12078636 is 63687021.

It is an interprime number because it is at equal distance from previous prime (12078629) and next prime (12078643).

It is a junction number, because it is equal to n+sod(n) for n = 12078597 and 12078606.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 29401 + ... + 29808.

It is an arithmetic number, because the mean of its divisors is an integer number (1243410).

Almost surely, 2^12078636 is an apocalyptic number.

It is an amenable number.

12078636 is an abundant number, since it is smaller than the sum of its proper divisors (17763204).

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

12078636 is a wasteful number, since it uses less digits than its factorization.

12078636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59233 (or 59231 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 12078636 is about 3475.4332104070. The cubic root of 12078636 is about 229.4418476078.

The spelling of 12078636 in words is "twelve million, seventy-eight thousand, six hundred thirty-six".