12347036 has 24 divisors (see below), whose sum is σ = 24496080. Its totient is φ = 5398272.

The previous prime is 12347029. The next prime is 12347047. The reversal of 12347036 is 63074321.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 12346996 and 12347014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5261 + ... + 7236.

It is an arithmetic number, because the mean of its divisors is an integer number (1020670).

Almost surely, 2^12347036 is an apocalyptic number.

It is an amenable number.

12347036 is a deficient number, since it is larger than the sum of its proper divisors (12149044).

12347036 is a wasteful number, since it uses less digits than its factorization.

12347036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12533 (or 12531 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 12347036 is about 3513.8349420541. The cubic root of 12347036 is about 231.1288924175.

The spelling of 12347036 in words is "twelve million, three hundred forty-seven thousand, thirty-six".