13283738 has 12 divisors (see below), whose sum is σ = 21576798. Its totient is φ = 6130800.

The previous prime is 13283731. The next prime is 13283747. The reversal of 13283738 is 83738231.

13283738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 5257849 + 8025889 = 2293^2 + 2833^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13283698 and 13283707.

It is not an unprimeable number, because it can be changed into a prime (13283731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19313 + ... + 19988.

Almost surely, 2^13283738 is an apocalyptic number.

13283738 is a deficient number, since it is larger than the sum of its proper divisors (8293060).

13283738 is a wasteful number, since it uses less digits than its factorization.

13283738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39329 (or 39316 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The square root of 13283738 is about 3644.6862690772. The cubic root of 13283738 is about 236.8318461590.

The spelling of 13283738 in words is "thirteen million, two hundred eighty-three thousand, seven hundred thirty-eight".