13240306 has 16 divisors (see below), whose sum is σ = 20250720. Its totient is φ = 6491520.

The previous prime is 13240303. The next prime is 13240309. The reversal of 13240306 is 60304231.

13240306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13240303) and next prime (13240309).

It is not an unprimeable number, because it can be changed into a prime (13240303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26721 + ... + 27211.

It is an arithmetic number, because the mean of its divisors is an integer number (1265670).

Almost surely, 2^13240306 is an apocalyptic number.

13240306 is a deficient number, since it is larger than the sum of its proper divisors (7010414).

13240306 is a wasteful number, since it uses less digits than its factorization.

13240306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 13240306 is about 3638.7231276919. The cubic root of 13240306 is about 236.5734522372.

Adding to 13240306 its reverse (60304231), we get a palindrome (73544537).

The spelling of 13240306 in words is "thirteen million, two hundred forty thousand, three hundred six".