12616427 has 2 divisors, whose sum is σ = 12616428. Its totient is φ = 12616426.

The previous prime is 12616339. The next prime is 12616441. The reversal of 12616427 is 72461621.

It is a strong prime.

It is an emirp because it is prime and its reverse (72461621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12616427 - 2¹² = 12612331 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12616427.

It is not a weakly prime, because it can be changed into another prime (12616027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6308213 + 6308214.

It is an arithmetic number, because the mean of its divisors is an integer number (6308214).

Almost surely, 2^12616427 is an apocalyptic number.

12616427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12616427 is an equidigital number, since it uses as much as digits as its factorization.

12616427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 12616427 is about 3551.9610076689. The cubic root of 12616427 is about 232.7977577891.

The spelling of 12616427 in words is "twelve million, six hundred sixteen thousand, four hundred twenty-seven".