13816377 has 6 divisors (see below), whose sum is σ = 19957002. Its totient is φ = 9210912.

The previous prime is 13816357. The next prime is 13816381. The reversal of 13816377 is 77361831.

13816377 is a `hidden beast` number, since 13 + 8 + 1 + 637 + 7 = 666.

13816377 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 can be written as a sum of positive squares in only one way, i.e., 8156736 + 5659641 = 2856^2 + 2379^2 .

It is not a de Polignac number, because 13816377 - 2¹⁹ = 13292089 is a prime.

It is a super-2 number, since 2×13816377² = 381784546812258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13816337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767568 + ... + 767585.

It is an arithmetic number, because the mean of its divisors is an integer number (3326167).

Almost surely, 2^13816377 is an apocalyptic number.

It is an amenable number.

13816377 is a deficient number, since it is larger than the sum of its proper divisors (6140625).

13816377 is a wasteful number, since it uses less digits than its factorization.

13816377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535159 (or 1535156 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 13816377 is about 3717.0387407182. The cubic root of 13816377 is about 239.9558773054.

The spelling of 13816377 in words is "thirteen million, eight hundred sixteen thousand, three hundred seventy-seven".