14115681 has 16 divisors (see below), whose sum is σ = 20977920. Its totient is φ = 9380880.

The previous prime is 14115679. The next prime is 14115683. The reversal of 14115681 is 18651141.

It is an interprime number because it is at equal distance from previous prime (14115679) and next prime (14115683).

It is not a de Polignac number, because 14115681 - 2¹ = 14115679 is a prime.

It is a super-2 number, since 2×14115681² = 398504900187522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (14115683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11031 + ... + 12243.

It is an arithmetic number, because the mean of its divisors is an integer number (1311120).

Almost surely, 2^14115681 is an apocalyptic number.

It is an amenable number.

14115681 is a deficient number, since it is larger than the sum of its proper divisors (6862239).

14115681 is a wasteful number, since it uses less digits than its factorization.

14115681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653 (or 1647 counting only the distinct ones).

The product of its digits is 960, while the sum is 27.

The square root of 14115681 is about 3757.0841087205. The cubic root of 14115681 is about 241.6762341568.

Adding to 14115681 its product of digits (960), we get a triangular number (14116641 = T₅₃₁₃).

The spelling of 14115681 in words is "fourteen million, one hundred fifteen thousand, six hundred eighty-one".