1276628 has 12 divisors (see below), whose sum is σ = 2247840. Its totient is φ = 634392.

The previous prime is 1276621. The next prime is 1276631. The reversal of 1276628 is 8266721.

It is a junction number, because it is equal to n+sod(n) for n = 1276594 and 1276603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 1607.

It is an arithmetic number, because the mean of its divisors is an integer number (187320).

2^1276628 is an apocalyptic number.

It is an amenable number.

1276628 is a deficient number, since it is larger than the sum of its proper divisors (971212).

1276628 is a wasteful number, since it uses less digits than its factorization.

1276628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1964 counting only the distinct ones).

The product of its digits is 8064, while the sum is 32.

The square root of 1276628 is about 1129.8796396077. The cubic root of 1276628 is about 108.4812768984.

The spelling of 1276628 in words is "one million, two hundred seventy-six thousand, six hundred twenty-eight".