1267836 has 12 divisors (see below), whose sum is σ = 2958312. Its totient is φ = 422608.

The previous prime is 1267831. The next prime is 1267837. The reversal of 1267836 is 6387621.

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 = 1267797 and 1267806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1267831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52815 + ... + 52838.

It is an arithmetic number, because the mean of its divisors is an integer number (246526).

2^1267836 is an apocalyptic number.

It is an amenable number.

1267836 is an abundant number, since it is smaller than the sum of its proper divisors (1690476).

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

1267836 is a wasteful number, since it uses less digits than its factorization.

1267836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105660 (or 105658 counting only the distinct ones).

The product of its digits is 12096, while the sum is 33.

The square root of 1267836 is about 1125.9822378706. The cubic root of 1267836 is about 108.2316700434.

The spelling of 1267836 in words is "one million, two hundred sixty-seven thousand, eight hundred thirty-six".