13015860 has 192 divisors, whose sum is σ = 45045504. Its totient is φ = 2764800.

The previous prime is 13015837. The next prime is 13015921. The reversal of 13015860 is 6851031.

13015860 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13015860² = 338825223079200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13015860.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 317440 + ... + 317480.

It is an arithmetic number, because the mean of its divisors is an integer number (234612).

Almost surely, 2^13015860 is an apocalyptic number.

13015860 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 13015860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22522752).

13015860 is an abundant number, since it is smaller than the sum of its proper divisors (32029644).

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

13015860 is a wasteful number, since it uses less digits than its factorization.

13015860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 13015860 is about 3607.7499913381. The cubic root of 13015860 is about 235.2290508565.

Adding to 13015860 its reverse (6851031), we get a palindrome (19866891).

The spelling of 13015860 in words is "thirteen million, fifteen thousand, eight hundred sixty".