13283620 has 48 divisors (see below), whose sum is σ = 32094720. Its totient is φ = 4523904.

The previous prime is 13283617. The next prime is 13283639. The reversal of 13283620 is 2638231.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33262 + ... + 33658.

It is an arithmetic number, because the mean of its divisors is an integer number (668640).

Almost surely, 2^13283620 is an apocalyptic number.

13283620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13283620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16047360).

13283620 is an abundant number, since it is smaller than the sum of its proper divisors (18811100).

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

13283620 is a wasteful number, since it uses less digits than its factorization.

13283620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 13283620 is about 3644.6700810910. The cubic root of 13283620 is about 236.8311448946.

The spelling of 13283620 in words is "thirteen million, two hundred eighty-three thousand, six hundred twenty".