13881214 has 8 divisors (see below), whose sum is σ = 22046688. Its totient is φ = 6532320.

The previous prime is 13881209. The next prime is 13881223. The reversal of 13881214 is 41218831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13881214² = 385376204227592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204102 + ... + 204169.

It is an arithmetic number, because the mean of its divisors is an integer number (2755836).

Almost surely, 2^13881214 is an apocalyptic number.

13881214 is a deficient number, since it is larger than the sum of its proper divisors (8165474).

13881214 is a wasteful number, since it uses less digits than its factorization.

13881214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408290.

The product of its digits is 1536, while the sum is 28.

The square root of 13881214 is about 3725.7501258136. The cubic root of 13881214 is about 240.3306438057.

The spelling of 13881214 in words is "thirteen million, eight hundred eighty-one thousand, two hundred fourteen".