13028850 has 60 divisors (see below), whose sum is σ = 36212154. Its totient is φ = 3473280.

The previous prime is 13028843. The next prime is 13028863. The reversal of 13028850 is 5882031.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11881809 + 1147041 = 3447^2 + 1071^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 2442 + ... + 5658.

Almost surely, 2^13028850 is an apocalyptic number.

13028850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13028850, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18106077).

13028850 is an abundant number, since it is smaller than the sum of its proper divisors (23183304).

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

13028850 is a wasteful number, since it uses less digits than its factorization.

13028850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3241 (or 3227 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 13028850 is about 3609.5498334280. The cubic root of 13028850 is about 235.3072787369.

The spelling of 13028850 in words is "thirteen million, twenty-eight thousand, eight hundred fifty".