12765413 has 2 divisors, whose sum is σ = 12765414. Its totient is φ = 12765412.

The previous prime is 12765383. The next prime is 12765427. The reversal of 12765413 is 31456721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6723649 + 6041764 = 2593^2 + 2458^2 .

It is an emirp because it is prime and its reverse (31456721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12765413 - 2⁶ = 12765349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12765433) 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, 6382706 + 6382707.

It is an arithmetic number, because the mean of its divisors is an integer number (6382707).

Almost surely, 2^12765413 is an apocalyptic number.

It is an amenable number.

12765413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12765413 is an equidigital number, since it uses as much as digits as its factorization.

12765413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040, while the sum is 29.

The square root of 12765413 is about 3572.8718141014. The cubic root of 12765413 is about 233.7105352460.

The spelling of 12765413 in words is "twelve million, seven hundred sixty-five thousand, four hundred thirteen".