13636380 has 96 divisors (see below), whose sum is σ = 41912640. Its totient is φ = 3297280.

The previous prime is 13636369. The next prime is 13636393. The reversal of 13636380 is 8363631.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29350 + ... + 29810.

It is an arithmetic number, because the mean of its divisors is an integer number (436590).

Almost surely, 2^13636380 is an apocalyptic number.

13636380 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 13636380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20956320).

13636380 is an abundant number, since it is smaller than the sum of its proper divisors (28276260).

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

13636380 is a wasteful number, since it uses less digits than its factorization.

13636380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 13636380 is about 3692.7469450262. The cubic root of 13636380 is about 238.9092867225.

The spelling of 13636380 in words is "thirteen million, six hundred thirty-six thousand, three hundred eighty".