1276776 has 64 divisors (see below), whose sum is σ = 3715200. Its totient is φ = 405504.

The previous prime is 1276771. The next prime is 1276777. The reversal of 1276776 is 6776721.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 6.

It is a self number, because there is not a number n which added to its sum of digits gives 1276776.

It is not an unprimeable number, because it can be changed into a prime (1276771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4840 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (58050).

2^1276776 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 1276776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1857600).

1276776 is an abundant number, since it is smaller than the sum of its proper divisors (2438424).

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

1276776 is a wasteful number, since it uses less digits than its factorization.

1276776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 285 counting only the distinct ones).

The product of its digits is 24696, while the sum is 36.

The square root of 1276776 is about 1129.9451314113. The cubic root of 1276776 is about 108.4854688292.

Subtracting 1276776 from its reverse (6776721), we obtain a palindrome (5499945).

It can be divided in two parts, 127 and 6776, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 1276776 in words is "one million, two hundred seventy-six thousand, seven hundred seventy-six".