13806777 has 8 divisors (see below), whose sum is σ = 18457920. Its totient is φ = 9180080.

The previous prime is 13806769. The next prime is 13806797. The reversal of 13806777 is 77760831.

13806777 is digitally balanced in base 3, 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 a cyclic number.

It is not a de Polignac number, because 13806777 - 2³ = 13806769 is a prime.

It is a super-2 number, since 2×13806777² = 381254182255458, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13806797) 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 7 ways as a sum of consecutive naturals, for example, 4749 + ... + 7082.

It is an arithmetic number, because the mean of its divisors is an integer number (2307240).

Almost surely, 2^13806777 is an apocalyptic number.

It is an amenable number.

13806777 is a deficient number, since it is larger than the sum of its proper divisors (4651143).

13806777 is a wasteful number, since it uses less digits than its factorization.

13806777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12223.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 13806777 is about 3715.7471657797. The cubic root of 13806777 is about 239.9002884402.

The spelling of 13806777 in words is "thirteen million, eight hundred six thousand, seven hundred seventy-seven".