13338946 has 4 divisors (see below), whose sum is σ = 20008422. Its totient is φ = 6669472.

The previous prime is 13338943. The next prime is 13338953. The reversal of 13338946 is 64983331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 5470921 = 2805^2 + 2339^2 .

It is not an unprimeable number, because it can be changed into a prime (13338943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3334735 + ... + 3334738.

Almost surely, 2^13338946 is an apocalyptic number.

13338946 is a deficient number, since it is larger than the sum of its proper divisors (6669476).

13338946 is an equidigital number, since it uses as much as digits as its factorization.

13338946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6669475.

The product of its digits is 46656, while the sum is 37.

The square root of 13338946 is about 3652.2521818735. The cubic root of 13338946 is about 237.1594883925.

The spelling of 13338946 in words is "thirteen million, three hundred thirty-eight thousand, nine hundred forty-six".