12616547 has 2 divisors, whose sum is σ = 12616548. Its totient is φ = 12616546.

The previous prime is 12616543. The next prime is 12616553. The reversal of 12616547 is 74561621.

It is a weak prime.

It is an emirp because it is prime and its reverse (74561621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12616547 - 2² = 12616543 is a prime.

It is not a weakly prime, because it can be changed into another prime (12616543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6308273 + 6308274.

It is an arithmetic number, because the mean of its divisors is an integer number (6308274).

Almost surely, 2^12616547 is an apocalyptic number.

12616547 is a deficient number, since it is larger than the sum of its proper divisors (1).

12616547 is an equidigital number, since it uses as much as digits as its factorization.

12616547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 12616547 is about 3551.9778997060. The cubic root of 12616547 is about 232.7984958650.

The spelling of 12616547 in words is "twelve million, six hundred sixteen thousand, five hundred forty-seven".