13874681 has 8 divisors (see below), whose sum is σ = 14815680. Its totient is φ = 12961872.

The previous prime is 13874677. The next prime is 13874683. The reversal of 13874681 is 18647831.

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 13874681 - 2² = 13874677 is a prime.

It is a super-2 number, since 2×13874681² = 385013545703522, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13874683) 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, 6026 + ... + 8003.

It is an arithmetic number, because the mean of its divisors is an integer number (1851960).

Almost surely, 2^13874681 is an apocalyptic number.

It is an amenable number.

13874681 is a deficient number, since it is larger than the sum of its proper divisors (940999).

13874681 is a wasteful number, since it uses less digits than its factorization.

13874681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14095.

The product of its digits is 32256, while the sum is 38.

The square root of 13874681 is about 3724.8732864354. The cubic root of 13874681 is about 240.2929351328.

The spelling of 13874681 in words is "thirteen million, eight hundred seventy-four thousand, six hundred eighty-one".