1296923 has 4 divisors (see below), whose sum is σ = 1327128. Its totient is φ = 1266720.

The previous prime is 1296907. The next prime is 1296929. The reversal of 1296923 is 3296921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3296921 = 379 ⋅8699.

It is a cyclic number.

It is not a de Polignac number, because 1296923 - 2⁴ = 1296907 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1296923.

It is not an unprimeable number, because it can be changed into a prime (1296929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15038 + ... + 15123.

It is an arithmetic number, because the mean of its divisors is an integer number (331782).

2^1296923 is an apocalyptic number.

1296923 is a deficient number, since it is larger than the sum of its proper divisors (30205).

1296923 is an equidigital number, since it uses as much as digits as its factorization.

1296923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30204.

The product of its digits is 5832, while the sum is 32.

The square root of 1296923 is about 1138.8252719360. The cubic root of 1296923 is about 109.0531121795.

The spelling of 1296923 in words is "one million, two hundred ninety-six thousand, nine hundred twenty-three".