13330738 has 4 divisors (see below), whose sum is σ = 19996110. Its totient is φ = 6665368.

The previous prime is 13330729. The next prime is 13330739. The reversal of 13330738 is 83703331.

13330738 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: 83703331 = 797 ⋅105023.

It can be written as a sum of positive squares in only one way, i.e., 11580409 + 1750329 = 3403^2 + 1323^2 .

It is not an unprimeable number, because it can be changed into a prime (13330739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3332683 + ... + 3332686.

Almost surely, 2^13330738 is an apocalyptic number.

13330738 is a deficient number, since it is larger than the sum of its proper divisors (6665372).

13330738 is an equidigital number, since it uses as much as digits as its factorization.

13330738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665371.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 13330738 is about 3651.1283187530. The cubic root of 13330738 is about 237.1108337614.

The spelling of 13330738 in words is "thirteen million, three hundred thirty thousand, seven hundred thirty-eight".