1296776 has 32 divisors (see below), whose sum is σ = 2697240. Its totient is φ = 580608.

The previous prime is 1296749. The next prime is 1296781. The reversal of 1296776 is 6776921.

1296776 = 163² + 164² + ... + 201².

It can be written as a sum of positive squares in 4 ways, for example, as 1020100 + 276676 = 1010^2 + 526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3680 + ... + 4016.

2^1296776 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 1296776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1348620).

1296776 is an abundant number, since it is smaller than the sum of its proper divisors (1400464).

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

1296776 is a wasteful number, since it uses less digits than its factorization.

1296776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 389 counting only the distinct ones).

The product of its digits is 31752, while the sum is 38.

The square root of 1296776 is about 1138.7607299165. The cubic root of 1296776 is about 109.0489918082.

The spelling of 1296776 in words is "one million, two hundred ninety-six thousand, seven hundred seventy-six".