12954817 has 2 divisors, whose sum is σ = 12954818. Its totient is φ = 12954816.

The previous prime is 12954797. The next prime is 12954829. The reversal of 12954817 is 71845921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12895281 + 59536 = 3591^2 + 244^2 .

It is a cyclic number.

It is not a de Polignac number, because 12954817 - 2²³ = 4566209 is a prime.

It is not a weakly prime, because it can be changed into another prime (12952817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6477408 + 6477409.

It is an arithmetic number, because the mean of its divisors is an integer number (6477409).

Almost surely, 2^12954817 is an apocalyptic number.

It is an amenable number.

12954817 is a deficient number, since it is larger than the sum of its proper divisors (1).

12954817 is an equidigital number, since it uses as much as digits as its factorization.

12954817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 37.

The square root of 12954817 is about 3599.2800669023. The cubic root of 12954817 is about 234.8607413953.

It can be divided in two parts, 129 and 54817, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 12954817 in words is "twelve million, nine hundred fifty-four thousand, eight hundred seventeen".