12476221 has 2 divisors, whose sum is σ = 12476222. Its totient is φ = 12476220.

The previous prime is 12476203. The next prime is 12476239. The reversal of 12476221 is 12267421.

It is a balanced prime because it is at equal distance from previous prime (12476203) and next prime (12476239).

It can be written as a sum of positive squares in only one way, i.e., 10150596 + 2325625 = 3186^2 + 1525^2 .

It is a cyclic number.

It is not a de Polignac number, because 12476221 - 2⁹ = 12475709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12476201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6238110 + 6238111.

It is an arithmetic number, because the mean of its divisors is an integer number (6238111).

Almost surely, 2^12476221 is an apocalyptic number.

It is an amenable number.

12476221 is a deficient number, since it is larger than the sum of its proper divisors (1).

12476221 is an equidigital number, since it uses as much as digits as its factorization.

12476221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 12476221 is about 3532.1694466715. The cubic root of 12476221 is about 231.9321851436.

The spelling of 12476221 in words is "twelve million, four hundred seventy-six thousand, two hundred twenty-one".