14638681 has 8 divisors (see below), whose sum is σ = 15057504. Its totient is φ = 14222880.

The previous prime is 14638661. The next prime is 14638699. The reversal of 14638681 is 18683641.

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 14638681 - 2⁷ = 14638553 is a prime.

It is a super-2 number, since 2×14638681² = 428581962839522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14638681.

It is not an unprimeable number, because it can be changed into a prime (14638601) 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, 12006 + ... + 13168.

It is an arithmetic number, because the mean of its divisors is an integer number (1882188).

Almost surely, 2^14638681 is an apocalyptic number.

It is an amenable number.

14638681 is a deficient number, since it is larger than the sum of its proper divisors (418823).

14638681 is a wasteful number, since it uses less digits than its factorization.

14638681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511.

The product of its digits is 27648, while the sum is 37.

The square root of 14638681 is about 3826.0529269732. The cubic root of 14638681 is about 244.6248931528.

The spelling of 14638681 in words is "fourteen million, six hundred thirty-eight thousand, six hundred eighty-one".