1296346 has 4 divisors (see below), whose sum is σ = 1944522. Its totient is φ = 648172.

The previous prime is 1296343. The next prime is 1296371. The reversal of 1296346 is 6436921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6436921 = 73 ⋅88177.

It can be written as a sum of positive squares in only one way, i.e., 741321 + 555025 = 861^2 + 745^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1296341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324085 + ... + 324088.

2^1296346 is an apocalyptic number.

1296346 is a deficient number, since it is larger than the sum of its proper divisors (648176).

1296346 is an equidigital number, since it uses as much as digits as its factorization.

1296346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648175.

The product of its digits is 7776, while the sum is 31.

The square root of 1296346 is about 1138.5719125290. The cubic root of 1296346 is about 109.0369372332.

The spelling of 1296346 in words is "one million, two hundred ninety-six thousand, three hundred forty-six".