13021606 has 8 divisors (see below), whose sum is σ = 21034944. Its totient is φ = 6009960.

The previous prime is 13021597. The next prime is 13021607. The reversal of 13021606 is 60612031.

13021606 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021607) 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, 250390 + ... + 250441.

It is an arithmetic number, because the mean of its divisors is an integer number (2629368).

Almost surely, 2^13021606 is an apocalyptic number.

13021606 is a deficient number, since it is larger than the sum of its proper divisors (8013338).

13021606 is a wasteful number, since it uses less digits than its factorization.

13021606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500846.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13021606 is about 3608.5462446808. The cubic root of 13021606 is about 235.2636606141.

Adding to 13021606 its reverse (60612031), we get a palindrome (73633637).

It can be divided in two parts, 130 and 21606, that added together give a triangular number (21736 = T₂₀₈).

The spelling of 13021606 in words is "thirteen million, twenty-one thousand, six hundred six".