10813638 has 32 divisors (see below), whose sum is σ = 24001920. Its totient is φ = 3220160.

The previous prime is 10813633. The next prime is 10813639. The reversal of 10813638 is 83631801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10813631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2506 + ... + 5282.

It is an arithmetic number, because the mean of its divisors is an integer number (750060).

Almost surely, 2^10813638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10813638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12000960).

10813638 is an abundant number, since it is smaller than the sum of its proper divisors (13188282).

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

10813638 is a wasteful number, since it uses less digits than its factorization.

10813638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 10813638 is about 3288.4096460143. The cubic root of 10813638 is about 221.1348930442.

The spelling of 10813638 in words is "ten million, eight hundred thirteen thousand, six hundred thirty-eight".