12545369 has 2 divisors, whose sum is σ = 12545370. Its totient is φ = 12545368.

The previous prime is 12545341. The next prime is 12545387. The reversal of 12545369 is 96354521.

12545369 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., 8497225 + 4048144 = 2915^2 + 2012^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12545369 is a prime.

It is a super-2 number, since 2×12545369² = 314772566692322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12545389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6272684 + 6272685.

It is an arithmetic number, because the mean of its divisors is an integer number (6272685).

Almost surely, 2^12545369 is an apocalyptic number.

It is an amenable number.

12545369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12545369 is an equidigital number, since it uses as much as digits as its factorization.

12545369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 12545369 is about 3541.9442401032. The cubic root of 12545369 is about 232.3598816580.

The spelling of 12545369 in words is "twelve million, five hundred forty-five thousand, three hundred sixty-nine".