13009846 has 4 divisors (see below), whose sum is σ = 19514772. Its totient is φ = 6504922.

The previous prime is 13009823. The next prime is 13009901. The reversal of 13009846 is 64890031.

13009846 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64890031 = 61 ⋅1063771.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3252460 + ... + 3252463.

It is an arithmetic number, because the mean of its divisors is an integer number (4878693).

Almost surely, 2^13009846 is an apocalyptic number.

13009846 is a deficient number, since it is larger than the sum of its proper divisors (6504926).

13009846 is an equidigital number, since it uses as much as digits as its factorization.

13009846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6504925.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 13009846 is about 3606.9164115627. The cubic root of 13009846 is about 235.1928159490.

Adding to 13009846 its reverse (64890031), we get a palindrome (77899877).

The spelling of 13009846 in words is "thirteen million, nine thousand, eight hundred forty-six".