1236828 has 12 divisors (see below), whose sum is σ = 2885960. Its totient is φ = 412272.

The previous prime is 1236827. The next prime is 1236857. The reversal of 1236828 is 8286321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1236795 and 1236804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1236827) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 51523 + ... + 51546.

2^1236828 is an apocalyptic number.

It is an amenable number.

1236828 is an abundant number, since it is smaller than the sum of its proper divisors (1649132).

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

1236828 is a wasteful number, since it uses less digits than its factorization.

1236828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103076 (or 103074 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 1236828 is about 1112.1276905104. The cubic root of 1236828 is about 107.3420214238.

The spelling of 1236828 in words is "one million, two hundred thirty-six thousand, eight hundred twenty-eight".