1296863223 has 8 divisors (see below), whose sum is σ = 1730467200. Its totient is φ = 863917368.

The previous prime is 1296863213. The next prime is 1296863237. The reversal of 1296863223 is 3223686921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1296863223 - 2⁶ = 1296863159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296863213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159913 + ... + 167826.

It is an arithmetic number, because the mean of its divisors is an integer number (216308400).

Almost surely, 2^1296863223 is an apocalyptic number.

1296863223 is a deficient number, since it is larger than the sum of its proper divisors (433603977).

1296863223 is a wasteful number, since it uses less digits than its factorization.

1296863223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329061.

The product of its digits is 186624, while the sum is 42.

The square root of 1296863223 is about 36011.9872125935. The cubic root of 1296863223 is about 1090.5143668348.

The spelling of 1296863223 in words is "one billion, two hundred ninety-six million, eight hundred sixty-three thousand, two hundred twenty-three".