12508229 has 2 divisors, whose sum is σ = 12508230. Its totient is φ = 12508228.

The previous prime is 12508219. The next prime is 12508241. The reversal of 12508229 is 92280521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11356900 + 1151329 = 3370^2 + 1073^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12508229 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12508219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6254114 + 6254115.

It is an arithmetic number, because the mean of its divisors is an integer number (6254115).

Almost surely, 2^12508229 is an apocalyptic number.

It is an amenable number.

12508229 is a deficient number, since it is larger than the sum of its proper divisors (1).

12508229 is an equidigital number, since it uses as much as digits as its factorization.

12508229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 12508229 is about 3536.6974708052. The cubic root of 12508229 is about 232.1303580219.

The spelling of 12508229 in words is "twelve million, five hundred eight thousand, two hundred twenty-nine".