12845369 has 2 divisors, whose sum is σ = 12845370. Its totient is φ = 12845368.

The previous prime is 12845351. The next prime is 12845381. The reversal of 12845369 is 96354821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12334144 + 511225 = 3512^2 + 715^2 .

It is an emirp because it is prime and its reverse (96354821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12845369 - 2⁸ = 12845113 is a prime.

It is a super-2 number, since 2×12845369² = 330007009492322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12845309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6422684 + 6422685.

It is an arithmetic number, because the mean of its divisors is an integer number (6422685).

Almost surely, 2^12845369 is an apocalyptic number.

It is an amenable number.

12845369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12845369 is an equidigital number, since it uses as much as digits as its factorization.

12845369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The square root of 12845369 is about 3584.0436660286. The cubic root of 12845369 is about 234.1974676679.

The spelling of 12845369 in words is "twelve million, eight hundred forty-five thousand, three hundred sixty-nine".