13072646 has 8 divisors (see below), whose sum is σ = 20641080. Its totient is φ = 6192288.

The previous prime is 13072639. The next prime is 13072651. The reversal of 13072646 is 64627031.

13072646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171971 + ... + 172046.

It is an arithmetic number, because the mean of its divisors is an integer number (2580135).

Almost surely, 2^13072646 is an apocalyptic number.

13072646 is a deficient number, since it is larger than the sum of its proper divisors (7568434).

13072646 is a wasteful number, since it uses less digits than its factorization.

13072646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344038.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 13072646 is about 3615.6114282373. The cubic root of 13072646 is about 235.5706427813.

Adding to 13072646 its reverse (64627031), we get a palindrome (77699677).

The spelling of 13072646 in words is "thirteen million, seventy-two thousand, six hundred forty-six".