12801995 has 4 divisors (see below), whose sum is σ = 15362400. Its totient is φ = 10241592.

The previous prime is 12801989. The next prime is 12802033. The reversal of 12801995 is 59910821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59910821 = 503 ⋅119107.

It is a cyclic number.

It is not a de Polignac number, because 12801995 - 2¹² = 12797899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280195 + ... + 1280204.

It is an arithmetic number, because the mean of its divisors is an integer number (3840600).

Almost surely, 2^12801995 is an apocalyptic number.

12801995 is a deficient number, since it is larger than the sum of its proper divisors (2560405).

12801995 is an equidigital number, since it uses as much as digits as its factorization.

12801995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560404.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 12801995 is about 3577.9875628627. The cubic root of 12801995 is about 233.9335713744.

The spelling of 12801995 in words is "twelve million, eight hundred one thousand, nine hundred ninety-five".