1276830 has 32 divisors (see below), whose sum is σ = 3405600. Its totient is φ = 340416.

The previous prime is 1276829. The next prime is 1276861. The reversal of 1276830 is 386721.

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

It is a junction number, because it is equal to n+sod(n) for n = 1276794 and 1276803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2095 + ... + 2634.

It is an arithmetic number, because the mean of its divisors is an integer number (106425).

2^1276830 is an apocalyptic number.

1276830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1276830 is an abundant number, since it is smaller than the sum of its proper divisors (2128770).

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

1276830 is a wasteful number, since it uses less digits than its factorization.

1276830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4745 (or 4739 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 1276830 is about 1129.9690261242. The cubic root of 1276830 is about 108.4869982368.

The spelling of 1276830 in words is "one million, two hundred seventy-six thousand, eight hundred thirty".