13881367 has 8 divisors (see below), whose sum is σ = 14747616. Its totient is φ = 13020672.

The previous prime is 13881337. The next prime is 13881377. The reversal of 13881367 is 76318831.

13881367 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 a cyclic number.

It is not a de Polignac number, because 13881367 - 2⁷ = 13881239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13881317) 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, 4518 + ... + 6940.

It is an arithmetic number, because the mean of its divisors is an integer number (1843452).

Almost surely, 2^13881367 is an apocalyptic number.

13881367 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13881367 is a deficient number, since it is larger than the sum of its proper divisors (866249).

13881367 is a wasteful number, since it uses less digits than its factorization.

13881367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777.

The product of its digits is 24192, while the sum is 37.

The square root of 13881367 is about 3725.7706585350. The cubic root of 13881367 is about 240.3315267845.

The spelling of 13881367 in words is "thirteen million, eight hundred eighty-one thousand, three hundred sixty-seven".