1296772 has 12 divisors (see below), whose sum is σ = 2300956. Its totient is φ = 639360.

The previous prime is 1296749. The next prime is 1296781. The reversal of 1296772 is 2776921.

It can be written as a sum of positive squares in 2 ways, for example, as 617796 + 678976 = 786^2 + 824^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929 + ... + 2512.

2^1296772 is an apocalyptic number.

It is an amenable number.

1296772 is a deficient number, since it is larger than the sum of its proper divisors (1004184).

1296772 is a wasteful number, since it uses less digits than its factorization.

1296772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518 (or 4516 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The square root of 1296772 is about 1138.7589736200. The cubic root of 1296772 is about 109.0488796848.

The spelling of 1296772 in words is "one million, two hundred ninety-six thousand, seven hundred seventy-two".