12254771 has 2 divisors, whose sum is σ = 12254772. Its totient is φ = 12254770.

The previous prime is 12254747. The next prime is 12254783. The reversal of 12254771 is 17745221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12254771 - 2¹⁸ = 11992627 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12254731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6127385 + 6127386.

It is an arithmetic number, because the mean of its divisors is an integer number (6127386).

Almost surely, 2^12254771 is an apocalyptic number.

12254771 is a deficient number, since it is larger than the sum of its proper divisors (1).

12254771 is an equidigital number, since it uses as much as digits as its factorization.

12254771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3920, while the sum is 29.

The square root of 12254771 is about 3500.6815050787. The cubic root of 12254771 is about 230.5517377819.

Adding to 12254771 its reverse (17745221), we get a palindrome (29999992).

The spelling of 12254771 in words is "twelve million, two hundred fifty-four thousand, seven hundred seventy-one".