12947356 has 12 divisors (see below), whose sum is σ = 22740480. Its totient is φ = 6450080.

The previous prime is 12947351. The next prime is 12947381. The reversal of 12947356 is 65374921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12947351) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4636 + ... + 6883.

It is an arithmetic number, because the mean of its divisors is an integer number (1895040).

Almost surely, 2^12947356 is an apocalyptic number.

It is an amenable number.

12947356 is a deficient number, since it is larger than the sum of its proper divisors (9793124).

12947356 is a wasteful number, since it uses less digits than its factorization.

12947356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11804 (or 11802 counting only the distinct ones).

The product of its digits is 45360, while the sum is 37.

The square root of 12947356 is about 3598.2434603567. The cubic root of 12947356 is about 234.8156453641.

The spelling of 12947356 in words is "twelve million, nine hundred forty-seven thousand, three hundred fifty-six".