1276680 has 32 divisors (see below), whose sum is σ = 3830400. Its totient is φ = 340416.

The previous prime is 1276679. The next prime is 1276687. The reversal of 1276680 is 866721.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (1276687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5200 + ... + 5439.

It is an arithmetic number, because the mean of its divisors is an integer number (119700).

2^1276680 is an apocalyptic number.

1276680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1276680 is an abundant number, since it is smaller than the sum of its proper divisors (2553720).

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

1276680 is a wasteful number, since it uses less digits than its factorization.

1276680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10653 (or 10649 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1276680 is about 1129.9026506739. The cubic root of 1276680 is about 108.4827497758.

The spelling of 1276680 in words is "one million, two hundred seventy-six thousand, six hundred eighty".