12715501 has 2 divisors, whose sum is σ = 12715502. Its totient is φ = 12715500.

The previous prime is 12715477. The next prime is 12715523. The reversal of 12715501 is 10551721.

It is an a-pointer prime, because the next prime (12715523) can be obtained adding 12715501 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6708100 + 6007401 = 2590^2 + 2451^2 .

It is an emirp because it is prime and its reverse (10551721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12715501 - 2¹³ = 12707309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12715561) 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, 6357750 + 6357751.

It is an arithmetic number, because the mean of its divisors is an integer number (6357751).

Almost surely, 2^12715501 is an apocalyptic number.

It is an amenable number.

12715501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12715501 is an equidigital number, since it uses as much as digits as its factorization.

12715501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 12715501 is about 3565.8801157638. The cubic root of 12715501 is about 233.4055393312.

The spelling of 12715501 in words is "twelve million, seven hundred fifteen thousand, five hundred one".