13638030 has 64 divisors (see below), whose sum is σ = 37836288. Its totient is φ = 3081600.

The previous prime is 13637983. The next prime is 13638041. The reversal of 13638030 is 3083631.

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, 20889 + ... + 21531.

It is an arithmetic number, because the mean of its divisors is an integer number (591192).

Almost surely, 2^13638030 is an apocalyptic number.

13638030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13638030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18918144).

13638030 is an abundant number, since it is smaller than the sum of its proper divisors (24198258).

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

13638030 is a wasteful number, since it uses less digits than its factorization.

13638030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13638030 is about 3692.9703491905. The cubic root of 13638030 is about 238.9189223302.

The spelling of 13638030 in words is "thirteen million, six hundred thirty-eight thousand, thirty".