13007746 has 8 divisors (see below), whose sum is σ = 19619964. Its totient is φ = 6467760.

The previous prime is 13007741. The next prime is 13007749. The reversal of 13007746 is 64770031.

13007746 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 12327121 + 680625 = 3511^2 + 825^2 .

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 (13007741) 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, 17605 + ... + 18328.

Almost surely, 2^13007746 is an apocalyptic number.

13007746 is a deficient number, since it is larger than the sum of its proper divisors (6612218).

13007746 is a wasteful number, since it uses less digits than its factorization.

13007746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36116.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 13007746 is about 3606.6252924306. The cubic root of 13007746 is about 235.1801606239.

Adding to 13007746 its reverse (64770031), we get a palindrome (77777777).

The spelling of 13007746 in words is "thirteen million, seven thousand, seven hundred forty-six".