12988247 has 2 divisors, whose sum is σ = 12988248. Its totient is φ = 12988246.

The previous prime is 12988219. The next prime is 12988273. The reversal of 12988247 is 74288921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12988247 - 2¹⁴ = 12971863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12988207) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6494123 + 6494124.

It is an arithmetic number, because the mean of its divisors is an integer number (6494124).

Almost surely, 2^12988247 is an apocalyptic number.

12988247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12988247 is an equidigital number, since it uses as much as digits as its factorization.

12988247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 12988247 is about 3603.9210590689. The cubic root of 12988247 is about 235.0625878262.

The spelling of 12988247 in words is "twelve million, nine hundred eighty-eight thousand, two hundred forty-seven".