13028750 has 40 divisors (see below), whose sum is σ = 27928560. Its totient is φ = 4464000.

The previous prime is 13028731. The next prime is 13028761. The reversal of 13028750 is 5782031.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8006 + ... + 9494.

It is an arithmetic number, because the mean of its divisors is an integer number (698214).

Almost surely, 2^13028750 is an apocalyptic number.

13028750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13028750 is an abundant number, since it is smaller than the sum of its proper divisors (14899810).

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

13028750 is an equidigital number, since it uses as much as digits as its factorization.

13028750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1518 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 13028750 is about 3609.5359812585. The cubic root of 13028750 is about 235.3066767193.

The spelling of 13028750 in words is "thirteen million, twenty-eight thousand, seven hundred fifty".