12885001 has 2 divisors, whose sum is σ = 12885002. Its totient is φ = 12885000.

The previous prime is 12884959. The next prime is 12885007. The reversal of 12885001 is 10058821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11048976 + 1836025 = 3324^2 + 1355^2 .

It is a cyclic number.

It is not a de Polignac number, because 12885001 - 2¹¹ = 12882953 is a prime.

It is not a weakly prime, because it can be changed into another prime (12885007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6442500 + 6442501.

It is an arithmetic number, because the mean of its divisors is an integer number (6442501).

Almost surely, 2^12885001 is an apocalyptic number.

It is an amenable number.

12885001 is a deficient number, since it is larger than the sum of its proper divisors (1).

12885001 is an equidigital number, since it uses as much as digits as its factorization.

12885001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 12885001 is about 3589.5683584520. The cubic root of 12885001 is about 234.4380779792.

The spelling of 12885001 in words is "twelve million, eight hundred eighty-five thousand, one".