1276912 has 40 divisors (see below), whose sum is σ = 3048416. Its totient is φ = 504576.

The previous prime is 1276903. The next prime is 1276927. The reversal of 1276912 is 2196721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1018 + ... + 1894.

2^1276912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1276912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1524208).

1276912 is an abundant number, since it is smaller than the sum of its proper divisors (1771504).

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

1276912 is a wasteful number, since it uses less digits than its factorization.

1276912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905 (or 899 counting only the distinct ones).

The product of its digits is 1512, while the sum is 28.

The square root of 1276912 is about 1130.0053097220. The cubic root of 1276912 is about 108.4893205880.

The spelling of 1276912 in words is "one million, two hundred seventy-six thousand, nine hundred twelve".