1306828250 has 256 divisors, whose sum is σ = 3321077760. Its totient is φ = 373248000.

The previous prime is 1306828249. The next prime is 1306828291. The reversal of 1306828250 is 528286031.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 1306828250.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11989196 + ... + 11989304.

It is an arithmetic number, because the mean of its divisors is an integer number (12972960).

Almost surely, 2^1306828250 is an apocalyptic number.

1306828250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1306828250 is an abundant number, since it is smaller than the sum of its proper divisors (2014249510).

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

1306828250 is a wasteful number, since it uses less digits than its factorization.

1306828250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 1306828250 is about 36150.0795296497. The cubic root of 1306828250 is about 1093.3003942544.

The spelling of 1306828250 in words is "one billion, three hundred six million, eight hundred twenty-eight thousand, two hundred fifty".