12947416 has 16 divisors (see below), whose sum is σ = 24427800. Its totient is φ = 6433344.

The previous prime is 12947411. The next prime is 12947437. The reversal of 12947416 is 61474921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12947411) 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, 3661 + ... + 6268.

Almost surely, 2^12947416 is an apocalyptic number.

It is an amenable number.

12947416 is a deficient number, since it is larger than the sum of its proper divisors (11480384).

12947416 is a wasteful number, since it uses less digits than its factorization.

12947416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10098 (or 10094 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 12947416 is about 3598.2517977485. The cubic root of 12947416 is about 234.8160080872.

The spelling of 12947416 in words is "twelve million, nine hundred forty-seven thousand, four hundred sixteen".