1267812 has 120 divisors (see below), whose sum is σ = 4174016. Its totient is φ = 326592.

The previous prime is 1267789. The next prime is 1267823. The reversal of 1267812 is 2187621.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 29463 + ... + 29505.

2^1267812 is an apocalyptic number.

1267812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1267812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2087008).

1267812 is an abundant number, since it is smaller than the sum of its proper divisors (2906204).

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

1267812 is a wasteful number, since it uses less digits than its factorization.

1267812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79 (or 68 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 1267812 is about 1125.9715804584. The cubic root of 1267812 is about 108.2309871011.

The spelling of 1267812 in words is "one million, two hundred sixty-seven thousand, eight hundred twelve".