13000036 has 48 divisors (see below), whose sum is σ = 28449792. Its totient is φ = 5068800.

The previous prime is 13000027. The next prime is 13000049. The reversal of 13000036 is 63000031.

13000036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 14316 + ... + 15196.

It is an arithmetic number, because the mean of its divisors is an integer number (592704).

Almost surely, 2^13000036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13000036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14224896).

13000036 is an abundant number, since it is smaller than the sum of its proper divisors (15449756).

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

13000036 is a wasteful number, since it uses less digits than its factorization.

13000036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 13000036 is about 3605.5562677623. The cubic root of 13000036 is about 235.1336858182.

Adding to 13000036 its reverse (63000031), we get a palindrome (76000067).

The spelling of 13000036 in words is "thirteen million, thirty-six", and thus it is an aban number and an uban number.