12888787 has 2 divisors, whose sum is σ = 12888788. Its totient is φ = 12888786.

The previous prime is 12888779. The next prime is 12888791. The reversal of 12888787 is 78788821.

12888787 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12888787 - 2³ = 12888779 is a prime.

It is a super-2 number, since 2×12888787² = 332241660662738, 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 12888787.

It is not a weakly prime, because it can be changed into another prime (12888767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6444393 + 6444394.

It is an arithmetic number, because the mean of its divisors is an integer number (6444394).

Almost surely, 2^12888787 is an apocalyptic number.

12888787 is a deficient number, since it is larger than the sum of its proper divisors (1).

12888787 is an equidigital number, since it uses as much as digits as its factorization.

12888787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 401408, while the sum is 49.

The square root of 12888787 is about 3590.0956811762. The cubic root of 12888787 is about 234.4610373784.

The spelling of 12888787 in words is "twelve million, eight hundred eighty-eight thousand, seven hundred eighty-seven".