12481351 has 2 divisors, whose sum is σ = 12481352. Its totient is φ = 12481350.

The previous prime is 12481333. The next prime is 12481361. The reversal of 12481351 is 15318421.

It is a strong prime.

It is an emirp because it is prime and its reverse (15318421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12481351 - 2⁵ = 12481319 is a prime.

It is a congruent number.

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, 6240675 + 6240676.

It is an arithmetic number, because the mean of its divisors is an integer number (6240676).

Almost surely, 2^12481351 is an apocalyptic number.

12481351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12481351 is an equidigital number, since it uses as much as digits as its factorization.

12481351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 25.

The square root of 12481351 is about 3532.8955546407. The cubic root of 12481351 is about 231.9639695830.

Adding to 12481351 its reverse (15318421), we get a palindrome (27799772).

The spelling of 12481351 in words is "twelve million, four hundred eighty-one thousand, three hundred fifty-one".