12807541 has 2 divisors, whose sum is σ = 12807542. Its totient is φ = 12807540.

The previous prime is 12807523. The next prime is 12807551. The reversal of 12807541 is 14570821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7540516 + 5267025 = 2746^2 + 2295^2 .

It is a cyclic number.

It is not a de Polignac number, because 12807541 - 2⁷ = 12807413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12807551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6403770 + 6403771.

It is an arithmetic number, because the mean of its divisors is an integer number (6403771).

Almost surely, 2^12807541 is an apocalyptic number.

It is an amenable number.

12807541 is a deficient number, since it is larger than the sum of its proper divisors (1).

12807541 is an equidigital number, since it uses as much as digits as its factorization.

12807541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12807541 is about 3578.7624956121. The cubic root of 12807541 is about 233.9673475758.

The spelling of 12807541 in words is "twelve million, eight hundred seven thousand, five hundred forty-one".