1283836 has 12 divisors (see below), whose sum is σ = 2259712. Its totient is φ = 638208.

The previous prime is 1283831. The next prime is 1283839. The reversal of 1283836 is 6383821.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1283798 and 1283807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283831) 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, 60 + ... + 1603.

2^1283836 is an apocalyptic number.

It is an amenable number.

1283836 is a deficient number, since it is larger than the sum of its proper divisors (975876).

1283836 is a wasteful number, since it uses less digits than its factorization.

1283836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860 (or 1858 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 1283836 is about 1133.0648701641. The cubic root of 1283836 is about 108.6850600971.

The spelling of 1283836 in words is "one million, two hundred eighty-three thousand, eight hundred thirty-six".