12261373 has 2 divisors, whose sum is σ = 12261374. Its totient is φ = 12261372.

The previous prime is 12261371. The next prime is 12261383. The reversal of 12261373 is 37316221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11002489 + 1258884 = 3317^2 + 1122^2 .

It is an emirp because it is prime and its reverse (37316221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12261373 - 2¹ = 12261371 is a prime.

Together with 12261371, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12261371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6130686 + 6130687.

It is an arithmetic number, because the mean of its divisors is an integer number (6130687).

Almost surely, 2^12261373 is an apocalyptic number.

It is an amenable number.

12261373 is a deficient number, since it is larger than the sum of its proper divisors (1).

12261373 is an equidigital number, since it uses as much as digits as its factorization.

12261373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 12261373 is about 3501.6243373612. The cubic root of 12261373 is about 230.5931319818.

Adding to 12261373 its reverse (37316221), we get a palindrome (49577594).

The spelling of 12261373 in words is "twelve million, two hundred sixty-one thousand, three hundred seventy-three".