1276812 has 36 divisors (see below), whose sum is σ = 3341520. Its totient is φ = 410592.

The previous prime is 1276777. The next prime is 1276817. The reversal of 1276812 is 2186721.

It is a tau number, because it is divible by the number of its divisors (36).

It is a nialpdrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (1276817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (92820).

2^1276812 is an apocalyptic number.

1276812 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 1276812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1670760).

1276812 is an abundant number, since it is smaller than the sum of its proper divisors (2064708).

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

1276812 is a wasteful number, since it uses less digits than its factorization.

1276812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262 (or 1257 counting only the distinct ones).

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

The square root of 1276812 is about 1129.9610612760. The cubic root of 1276812 is about 108.4864884390.

Subtracting 1276812 from its reverse (2186721), we obtain a palindrome (909909).

The spelling of 1276812 in words is "one million, two hundred seventy-six thousand, eight hundred twelve".