1276626 has 24 divisors (see below), whose sum is σ = 2766960. Its totient is φ = 392496.

The previous prime is 1276621. The next prime is 1276631. The reversal of 1276626 is 6266721.

It is an interprime number because it is at equal distance from previous prime (1276621) and next prime (1276631).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1276593 and 1276602.

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 11 ways as a sum of consecutive naturals, for example, 385 + ... + 1643.

It is an arithmetic number, because the mean of its divisors is an integer number (115290).

2^1276626 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1276626, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383480).

1276626 is an abundant number, since it is smaller than the sum of its proper divisors (1490334).

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

1276626 is a wasteful number, since it uses less digits than its factorization.

1276626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290 (or 1277 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 1276626 is about 1129.8787545573. The cubic root of 1276626 is about 108.4812202485.

The spelling of 1276626 in words is "one million, two hundred seventy-six thousand, six hundred twenty-six".