12954247 has 2 divisors, whose sum is σ = 12954248. Its totient is φ = 12954246.

The previous prime is 12954241. The next prime is 12954269. The reversal of 12954247 is 74245921.

12954247 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 is an emirp because it is prime and its reverse (74245921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12954247 - 2³ = 12954239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12954241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6477123 + 6477124.

It is an arithmetic number, because the mean of its divisors is an integer number (6477124).

Almost surely, 2^12954247 is an apocalyptic number.

12954247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12954247 is an equidigital number, since it uses as much as digits as its factorization.

12954247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 12954247 is about 3599.2008835296. The cubic root of 12954247 is about 234.8572967928.

The spelling of 12954247 in words is "twelve million, nine hundred fifty-four thousand, two hundred forty-seven".