12613306 has 8 divisors (see below), whose sum is σ = 18940500. Its totient is φ = 6299808.

The previous prime is 12613301. The next prime is 12613313. The reversal of 12613306 is 60331621.

12613306 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 2 ways, for example, as 10336225 + 2277081 = 3215^2 + 1509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12613301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681 + ... + 5068.

Almost surely, 2^12613306 is an apocalyptic number.

12613306 is a deficient number, since it is larger than the sum of its proper divisors (6327194).

12613306 is a wasteful number, since it uses less digits than its factorization.

12613306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6848.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 12613306 is about 3551.5216457175. The cubic root of 12613306 is about 232.7785600209.

Adding to 12613306 its reverse (60331621), we get a palindrome (72944927).

The spelling of 12613306 in words is "twelve million, six hundred thirteen thousand, three hundred six".