12616947 has 24 divisors (see below), whose sum is σ = 20933120. Its totient is φ = 7173360.

The previous prime is 12616927. The next prime is 12616957. The reversal of 12616947 is 74961621.

It is not a de Polignac number, because 12616947 - 2¹⁰ = 12615923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12616927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16704 + ... + 17442.

Almost surely, 2^12616947 is an apocalyptic number.

12616947 is a deficient number, since it is larger than the sum of its proper divisors (8316173).

12616947 is a wasteful number, since it uses less digits than its factorization.

12616947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1020 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 12616947 is about 3552.0342059164. The cubic root of 12616947 is about 232.8009560842.

The spelling of 12616947 in words is "twelve million, six hundred sixteen thousand, nine hundred forty-seven".