1207828 has 12 divisors (see below), whose sum is σ = 2171092. Its totient is φ = 587520.

The previous prime is 1207769. The next prime is 1207841. The reversal of 1207828 is 8287021.

It can be written as a sum of positive squares in 2 ways, for example, as 795664 + 412164 = 892^2 + 642^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1207796 and 1207805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3933 + ... + 4228.

2^1207828 is an apocalyptic number.

It is an amenable number.

1207828 is a deficient number, since it is larger than the sum of its proper divisors (963264).

1207828 is a wasteful number, since it uses less digits than its factorization.

1207828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8202 (or 8200 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 1207828 is about 1099.0122838258. The cubic root of 1207828 is about 106.4964254864.

The spelling of 1207828 in words is "one million, two hundred seven thousand, eight hundred twenty-eight".