13286620 has 12 divisors (see below), whose sum is σ = 27901944. Its totient is φ = 5314640.

The previous prime is 13286597. The next prime is 13286621. The reversal of 13286620 is 2668231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13286621) 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, 332146 + ... + 332185.

It is an arithmetic number, because the mean of its divisors is an integer number (2325162).

Almost surely, 2^13286620 is an apocalyptic number.

13286620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13286620 is an abundant number, since it is smaller than the sum of its proper divisors (14615324).

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

13286620 is a wasteful number, since it uses less digits than its factorization.

13286620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664340 (or 664338 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 13286620 is about 3645.0816177419. The cubic root of 13286620 is about 236.8489723632.

The spelling of 13286620 in words is "thirteen million, two hundred eighty-six thousand, six hundred twenty".