12798777 has 8 divisors (see below), whose sum is σ = 17117920. Its totient is φ = 8506080.

The previous prime is 12798767. The next prime is 12798791. The reversal of 12798777 is 77789721.

12798777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12798777 - 2¹⁵ = 12766009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12798727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5452 + ... + 7437.

It is an arithmetic number, because the mean of its divisors is an integer number (2139740).

Almost surely, 2^12798777 is an apocalyptic number.

It is an amenable number.

12798777 is a deficient number, since it is larger than the sum of its proper divisors (4319143).

12798777 is a wasteful number, since it uses less digits than its factorization.

12798777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13223.

The product of its digits is 345744, while the sum is 48.

The square root of 12798777 is about 3577.5378404707. The cubic root of 12798777 is about 233.9139686662.

The spelling of 12798777 in words is "twelve million, seven hundred ninety-eight thousand, seven hundred seventy-seven".