12611447 has 2 divisors, whose sum is σ = 12611448. Its totient is φ = 12611446.

The previous prime is 12611419. The next prime is 12611449. The reversal of 12611447 is 74411621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12611447 - 2¹² = 12607351 is a prime.

Together with 12611449, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12611449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305723 + 6305724.

It is an arithmetic number, because the mean of its divisors is an integer number (6305724).

Almost surely, 2^12611447 is an apocalyptic number.

12611447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12611447 is an equidigital number, since it uses as much as digits as its factorization.

12611447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 12611447 is about 3551.2599172688. The cubic root of 12611447 is about 232.7671235108.

The spelling of 12611447 in words is "twelve million, six hundred eleven thousand, four hundred forty-seven".