12854609 has 2 divisors, whose sum is σ = 12854610. Its totient is φ = 12854608.

The previous prime is 12854603. The next prime is 12854623. The reversal of 12854609 is 90645821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12780625 + 73984 = 3575^2 + 272^2 .

It is a cyclic number.

It is not a de Polignac number, because 12854609 - 2⁴ = 12854593 is a prime.

It is not a weakly prime, because it can be changed into another prime (12854603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6427304 + 6427305.

It is an arithmetic number, because the mean of its divisors is an integer number (6427305).

Almost surely, 2^12854609 is an apocalyptic number.

It is an amenable number.

12854609 is a deficient number, since it is larger than the sum of its proper divisors (1).

12854609 is an equidigital number, since it uses as much as digits as its factorization.

12854609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 12854609 is about 3585.3324810957. The cubic root of 12854609 is about 234.2536089367.

The spelling of 12854609 in words is "twelve million, eight hundred fifty-four thousand, six hundred nine".