13830777 has 8 divisors (see below), whose sum is σ = 20490080. Its totient is φ = 9220500.

The previous prime is 13830769. The next prime is 13830781. The reversal of 13830777 is 77703831.

It is a happy number.

13830777 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13830777 - 2³ = 13830769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13830757) 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, 256099 + ... + 256152.

It is an arithmetic number, because the mean of its divisors is an integer number (2561260).

Almost surely, 2^13830777 is an apocalyptic number.

It is an amenable number.

13830777 is a deficient number, since it is larger than the sum of its proper divisors (6659303).

13830777 is an equidigital number, since it uses as much as digits as its factorization.

13830777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512260 (or 512254 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 13830777 is about 3718.9752620850. The cubic root of 13830777 is about 240.0392123430.

It can be divided in two parts, 138307 and 77, that added together give a square (138384 = 372²).

The spelling of 13830777 in words is "thirteen million, eight hundred thirty thousand, seven hundred seventy-seven".