12948569 has 2 divisors, whose sum is σ = 12948570. Its totient is φ = 12948568.

The previous prime is 12948541. The next prime is 12948599. The reversal of 12948569 is 96584921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7772944 + 5175625 = 2788^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 12948569 - 2¹² = 12944473 is a prime.

It is a super-2 number, since 2×12948569² = 335330878295522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12948599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6474284 + 6474285.

It is an arithmetic number, because the mean of its divisors is an integer number (6474285).

Almost surely, 2^12948569 is an apocalyptic number.

It is an amenable number.

12948569 is a deficient number, since it is larger than the sum of its proper divisors (1).

12948569 is an equidigital number, since it uses as much as digits as its factorization.

12948569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 44.

The square root of 12948569 is about 3598.4120108737. The cubic root of 12948569 is about 234.8229781993.

The spelling of 12948569 in words is "twelve million, nine hundred forty-eight thousand, five hundred sixty-nine".