13671814 has 8 divisors (see below), whose sum is σ = 22085280. Its totient is φ = 6310056.

The previous prime is 13671809. The next prime is 13671829. The reversal of 13671814 is 41817631.

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

It is a super-3 number, since 3×13671814³ (a number of 22 digits) contains 333 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262894 + ... + 262945.

It is an arithmetic number, because the mean of its divisors is an integer number (2760660).

Almost surely, 2^13671814 is an apocalyptic number.

13671814 is a deficient number, since it is larger than the sum of its proper divisors (8413466).

13671814 is a wasteful number, since it uses less digits than its factorization.

13671814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525854.

The product of its digits is 4032, while the sum is 31.

The square root of 13671814 is about 3697.5416157225. The cubic root of 13671814 is about 239.1160422230.

The spelling of 13671814 in words is "thirteen million, six hundred seventy-one thousand, eight hundred fourteen".