12506969 has 2 divisors, whose sum is σ = 12506970. Its totient is φ = 12506968.

The previous prime is 12506947. The next prime is 12506983. The reversal of 12506969 is 96960521.

12506969 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11323225 + 1183744 = 3365^2 + 1088^2 .

It is a cyclic number.

It is not a de Polignac number, because 12506969 - 2¹² = 12502873 is a prime.

It is a super-2 number, since 2×12506969² = 312848547133922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12506929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253484 + 6253485.

It is an arithmetic number, because the mean of its divisors is an integer number (6253485).

Almost surely, 2^12506969 is an apocalyptic number.

It is an amenable number.

12506969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12506969 is an equidigital number, since it uses as much as digits as its factorization.

12506969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 12506969 is about 3536.5193340345. The cubic root of 12506969 is about 232.1225633113.

The spelling of 12506969 in words is "twelve million, five hundred six thousand, nine hundred sixty-nine".