12888361 has 2 divisors, whose sum is σ = 12888362. Its totient is φ = 12888360.

The previous prime is 12888319. The next prime is 12888371. The reversal of 12888361 is 16388821.

12888361 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11262736 + 1625625 = 3356^2 + 1275^2 .

It is a cyclic number.

It is not a de Polignac number, because 12888361 - 2¹⁵ = 12855593 is a prime.

It is a super-2 number, since 2×12888361² = 332219698532642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12888361.

It is not a weakly prime, because it can be changed into another prime (12888301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6444180 + 6444181.

It is an arithmetic number, because the mean of its divisors is an integer number (6444181).

Almost surely, 2^12888361 is an apocalyptic number.

It is an amenable number.

12888361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12888361 is an equidigital number, since it uses as much as digits as its factorization.

12888361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 37.

The square root of 12888361 is about 3590.0363507909. The cubic root of 12888361 is about 234.4584542156.

The spelling of 12888361 in words is "twelve million, eight hundred eighty-eight thousand, three hundred sixty-one".