13000782 has 8 divisors (see below), whose sum is σ = 26001576. Its totient is φ = 4333592.

The previous prime is 13000781. The next prime is 13000829. The reversal of 13000782 is 28700031.

It is a sphenic number, since it is the product of 3 distinct primes.

13000782 is an admirable number.

It is a super-4 number, since 4×13000782⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000781) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083393 + ... + 1083404.

It is an arithmetic number, because the mean of its divisors is an integer number (3250197).

Almost surely, 2^13000782 is an apocalyptic number.

13000782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13000782 is a wasteful number, since it uses less digits than its factorization.

13000782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166802.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 13000782 is about 3605.6597177216. The cubic root of 13000782 is about 235.1381834050.

The spelling of 13000782 in words is "thirteen million, seven hundred eighty-two", and thus it is an aban number.