12511361 has 2 divisors, whose sum is σ = 12511362. Its totient is φ = 12511360.

The previous prime is 12511357. The next prime is 12511399. The reversal of 12511361 is 16311521.

12511361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11771761 + 739600 = 3431^2 + 860^2 .

It is an emirp because it is prime and its reverse (16311521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12511361 - 2² = 12511357 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12511561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255680 + 6255681.

It is an arithmetic number, because the mean of its divisors is an integer number (6255681).

Almost surely, 2^12511361 is an apocalyptic number.

It is an amenable number.

12511361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12511361 is an equidigital number, since it uses as much as digits as its factorization.

12511361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 180, while the sum is 20.

The square root of 12511361 is about 3537.1402290551. The cubic root of 12511361 is about 232.1497311777.

Adding to 12511361 its reverse (16311521), we get a palindrome (28822882).

The spelling of 12511361 in words is "twelve million, five hundred eleven thousand, three hundred sixty-one".