13552620 has 48 divisors (see below), whose sum is σ = 38320128. Its totient is φ = 3578560.

The previous prime is 13552601. The next prime is 13552633. The reversal of 13552620 is 2625531.

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, 5365 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (798336).

Almost surely, 2^13552620 is an apocalyptic number.

13552620 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 13552620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19160064).

13552620 is an abundant number, since it is smaller than the sum of its proper divisors (24767508).

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

13552620 is a wasteful number, since it uses less digits than its factorization.

13552620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230 (or 2228 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 13552620 is about 3681.3883250752. The cubic root of 13552620 is about 238.4191235429.

The spelling of 13552620 in words is "thirteen million, five hundred fifty-two thousand, six hundred twenty".