1296423 has 12 divisors (see below), whose sum is σ = 1882920. Its totient is φ = 859536.

The previous prime is 1296419. The next prime is 1296467. The reversal of 1296423 is 3246921.

1296423 is a `hidden beast` number, since 12 + 9 + 642 + 3 = 666.

It is not a de Polignac number, because 1296423 - 2² = 1296419 is a prime.

1296423 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2293 + ... + 2801.

It is an arithmetic number, because the mean of its divisors is an integer number (156910).

2^1296423 is an apocalyptic number.

1296423 is a deficient number, since it is larger than the sum of its proper divisors (586497).

1296423 is a wasteful number, since it uses less digits than its factorization.

1296423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 795 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1296423 is about 1138.6057263162. The cubic root of 1296423 is about 109.0390960391.

The spelling of 1296423 in words is "one million, two hundred ninety-six thousand, four hundred twenty-three".