1296523 has 2 divisors, whose sum is σ = 1296524. Its totient is φ = 1296522.

The previous prime is 1296521. The next prime is 1296551. The reversal of 1296523 is 3256921.

It is an a-pointer prime, because the next prime (1296551) can be obtained adding 1296523 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1296523 - 2¹ = 1296521 is a prime.

Together with 1296521, it forms a pair of twin primes.

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

It is a junction number, because it is equal to n+sod(n) for n = 1296491 and 1296500.

It is not a weakly prime, because it can be changed into another prime (1296521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 648261 + 648262.

It is an arithmetic number, because the mean of its divisors is an integer number (648262).

2^1296523 is an apocalyptic number.

1296523 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296523 is an equidigital number, since it uses as much as digits as its factorization.

1296523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 1296523 is about 1138.6496388266. The cubic root of 1296523 is about 109.0418995554.

The spelling of 1296523 in words is "one million, two hundred ninety-six thousand, five hundred twenty-three".