12854729 has 2 divisors, whose sum is σ = 12854730. Its totient is φ = 12854728.

The previous prime is 12854719. The next prime is 12854741. The reversal of 12854729 is 92745821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6901129 + 5953600 = 2627^2 + 2440^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12854729 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12854692 and 12854701.

It is not a weakly prime, because it can be changed into another prime (12854719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6427364 + 6427365.

It is an arithmetic number, because the mean of its divisors is an integer number (6427365).

Almost surely, 2^12854729 is an apocalyptic number.

It is an amenable number.

12854729 is a deficient number, since it is larger than the sum of its proper divisors (1).

12854729 is an equidigital number, since it uses as much as digits as its factorization.

12854729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 12854729 is about 3585.3492159063. The cubic root of 12854729 is about 234.2543378671.

The spelling of 12854729 in words is "twelve million, eight hundred fifty-four thousand, seven hundred twenty-nine".