12481369 has 2 divisors, whose sum is σ = 12481370. Its totient is φ = 12481368.

The previous prime is 12481361. The next prime is 12481373. The reversal of 12481369 is 96318421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8928144 + 3553225 = 2988^2 + 1885^2 .

It is an emirp because it is prime and its reverse (96318421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12481369 - 2³ = 12481361 is a prime.

It is a super-2 number, since 2×12481369² = 311569144228322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12481361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6240684 + 6240685.

It is an arithmetic number, because the mean of its divisors is an integer number (6240685).

Almost surely, 2^12481369 is an apocalyptic number.

It is an amenable number.

12481369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12481369 is an equidigital number, since it uses as much as digits as its factorization.

12481369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 12481369 is about 3532.8981021252. The cubic root of 12481369 is about 231.9640810920.

The spelling of 12481369 in words is "twelve million, four hundred eighty-one thousand, three hundred sixty-nine".