13605622 has 8 divisors (see below), whose sum is σ = 20442672. Its totient is φ = 6791400.

The previous prime is 13605619. The next prime is 13605629. The reversal of 13605622 is 22650631.

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

It is a super-2 number, since 2×13605622² = 370225900013768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13605629) 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, 4129 + ... + 6652.

It is an arithmetic number, because the mean of its divisors is an integer number (2555334).

Almost surely, 2^13605622 is an apocalyptic number.

13605622 is a deficient number, since it is larger than the sum of its proper divisors (6837050).

13605622 is a wasteful number, since it uses less digits than its factorization.

13605622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11414.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 13605622 is about 3688.5799435555. The cubic root of 13605622 is about 238.7295248470.

The spelling of 13605622 in words is "thirteen million, six hundred five thousand, six hundred twenty-two".