12780095 has 4 divisors (see below), whose sum is σ = 15336120. Its totient is φ = 10224072.

The previous prime is 12780017. The next prime is 12780113. The reversal of 12780095 is 59008721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59008721 = 7243 ⋅8147.

It is a cyclic number.

It is not a de Polignac number, because 12780095 - 2¹⁴ = 12763711 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1278005 + ... + 1278014.

It is an arithmetic number, because the mean of its divisors is an integer number (3834030).

Almost surely, 2^12780095 is an apocalyptic number.

12780095 is a deficient number, since it is larger than the sum of its proper divisors (2556025).

12780095 is an equidigital number, since it uses as much as digits as its factorization.

12780095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2556024.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 12780095 is about 3574.9258733574. The cubic root of 12780095 is about 233.8001007882.

The spelling of 12780095 in words is "twelve million, seven hundred eighty thousand, ninety-five".