13818377 has 16 divisors (see below), whose sum is σ = 15375360. Its totient is φ = 12359952.

The previous prime is 13818373. The next prime is 13818383. The reversal of 13818377 is 77381831.

It is a cyclic number.

It is not a de Polignac number, because 13818377 - 2² = 13818373 is a prime.

It is a super-3 number, since 3×13818377³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13818377.

It is not an unprimeable number, because it can be changed into a prime (13818373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44858 + ... + 45164.

It is an arithmetic number, because the mean of its divisors is an integer number (960960).

Almost surely, 2^13818377 is an apocalyptic number.

It is an amenable number.

13818377 is a deficient number, since it is larger than the sum of its proper divisors (1556983).

13818377 is a wasteful number, since it uses less digits than its factorization.

13818377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its digits is 28224, while the sum is 38.

The square root of 13818377 is about 3717.3077623463. The cubic root of 13818377 is about 239.9674550777.

The spelling of 13818377 in words is "thirteen million, eight hundred eighteen thousand, three hundred seventy-seven".