14533681 has 4 divisors (see below), whose sum is σ = 14566500. Its totient is φ = 14500864.

The previous prime is 14533667. The next prime is 14533697. The reversal of 14533681 is 18633541.

14533681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18633541 = 2657 ⋅7013.

It can be written as a sum of positive squares in 2 ways, for example, as 4036081 + 10497600 = 2009^2 + 3240^2 .

It is a cyclic number.

It is not a de Polignac number, because 14533681 - 2¹¹ = 14531633 is a prime.

It is a super-2 number, since 2×14533681² = 422455766819522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14533661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15736 + ... + 16633.

It is an arithmetic number, because the mean of its divisors is an integer number (3641625).

Almost surely, 2^14533681 is an apocalyptic number.

It is an amenable number.

14533681 is a deficient number, since it is larger than the sum of its proper divisors (32819).

14533681 is an equidigital number, since it uses as much as digits as its factorization.

14533681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32818.

The product of its digits is 8640, while the sum is 31.

The square root of 14533681 is about 3812.3065196807. The cubic root of 14533681 is about 244.0386091820.

The spelling of 14533681 in words is "fourteen million, five hundred thirty-three thousand, six hundred eighty-one".