13611622 has 8 divisors (see below), whose sum is σ = 20628216. Its totient is φ = 6735552.

The previous prime is 13611613. The next prime is 13611659. The reversal of 13611622 is 22611631.

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

It is a junction number, because it is equal to n+sod(n) for n = 13611593 and 13611602.

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, 34888 + ... + 35275.

It is an arithmetic number, because the mean of its divisors is an integer number (2578527).

Almost surely, 2^13611622 is an apocalyptic number.

13611622 is a deficient number, since it is larger than the sum of its proper divisors (7016594).

13611622 is an equidigital number, since it uses as much as digits as its factorization.

13611622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70262.

The product of its digits is 432, while the sum is 22.

The square root of 13611622 is about 3689.3931750357. The cubic root of 13611622 is about 238.7646124660.

Subtracting 13611622 from its reverse (22611631), we obtain a palindrome (9000009).

The spelling of 13611622 in words is "thirteen million, six hundred eleven thousand, six hundred twenty-two".