12735841 has 2 divisors, whose sum is σ = 12735842. Its totient is φ = 12735840.

The previous prime is 12735787. The next prime is 12735883. The reversal of 12735841 is 14853721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9585216 + 3150625 = 3096^2 + 1775^2 .

It is an emirp because it is prime and its reverse (14853721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12735841 - 2⁷ = 12735713 is a prime.

It is not a weakly prime, because it can be changed into another prime (12733841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6367920 + 6367921.

It is an arithmetic number, because the mean of its divisors is an integer number (6367921).

Almost surely, 2^12735841 is an apocalyptic number.

It is an amenable number.

12735841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12735841 is an equidigital number, since it uses as much as digits as its factorization.

12735841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 31.

The square root of 12735841 is about 3568.7310069547. The cubic root of 12735841 is about 233.5299266055.

The spelling of 12735841 in words is "twelve million, seven hundred thirty-five thousand, eight hundred forty-one".