13840733 has 4 divisors (see below), whose sum is σ = 14442528. Its totient is φ = 13238940.

The previous prime is 13840709. The next prime is 13840769. The reversal of 13840733 is 33704831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13840733 - 2¹⁶ = 13775197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13840696 and 13840705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13840033) 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 3 ways as a sum of consecutive naturals, for example, 300863 + ... + 300908.

It is an arithmetic number, because the mean of its divisors is an integer number (3610632).

Almost surely, 2^13840733 is an apocalyptic number.

It is an amenable number.

13840733 is a deficient number, since it is larger than the sum of its proper divisors (601795).

13840733 is an equidigital number, since it uses as much as digits as its factorization.

13840733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601794.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 13840733 is about 3720.3135620536. The cubic root of 13840733 is about 240.0967954465.

The spelling of 13840733 in words is "thirteen million, eight hundred forty thousand, seven hundred thirty-three".