12778059 has 16 divisors (see below), whose sum is σ = 19596032. Its totient is φ = 7255008.

The previous prime is 12778037. The next prime is 12778063. The reversal of 12778059 is 95087721.

It is not a de Polignac number, because 12778059 - 2⁵ = 12778027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12778069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1557 + ... + 5289.

It is an arithmetic number, because the mean of its divisors is an integer number (1224752).

Almost surely, 2^12778059 is an apocalyptic number.

12778059 is a deficient number, since it is larger than the sum of its proper divisors (6817973).

12778059 is a wasteful number, since it uses less digits than its factorization.

12778059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 12778059 is about 3574.6411008659. The cubic root of 12778059 is about 233.7876845455.

The spelling of 12778059 in words is "twelve million, seven hundred seventy-eight thousand, fifty-nine".