13268938 has 4 divisors (see below), whose sum is σ = 19903410. Its totient is φ = 6634468.

The previous prime is 13268911. The next prime is 13268971. The reversal of 13268938 is 83986231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83986231 = 7 ⋅11998033.

It can be written as a sum of positive squares in only one way, i.e., 6953769 + 6315169 = 2637^2 + 2513^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 13268938.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3317233 + ... + 3317236.

Almost surely, 2^13268938 is an apocalyptic number.

13268938 is a deficient number, since it is larger than the sum of its proper divisors (6634472).

13268938 is an equidigital number, since it uses as much as digits as its factorization.

13268938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6634471.

The product of its digits is 62208, while the sum is 40.

The square root of 13268938 is about 3642.6553501532. The cubic root of 13268938 is about 236.7438585293.

The spelling of 13268938 in words is "thirteen million, two hundred sixty-eight thousand, nine hundred thirty-eight".