13600220 has 24 divisors (see below), whose sum is σ = 28644000. Its totient is φ = 5424192.

The previous prime is 13600211. The next prime is 13600229. The reversal of 13600220 is 2200631.

It is an interprime number because it is at equal distance from previous prime (13600211) and next prime (13600229).

It is a junction number, because it is equal to n+sod(n) for n = 13600195 and 13600204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13600229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8006 + ... + 9554.

It is an arithmetic number, because the mean of its divisors is an integer number (1193500).

Almost surely, 2^13600220 is an apocalyptic number.

13600220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13600220 is an abundant number, since it is smaller than the sum of its proper divisors (15043780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13600220 is a wasteful number, since it uses less digits than its factorization.

13600220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13600220 is about 3687.8476107345. The cubic root of 13600220 is about 238.6979254682.

Adding to 13600220 its reverse (2200631), we get a palindrome (15800851).

The spelling of 13600220 in words is "thirteen million, six hundred thousand, two hundred twenty".