1246823 has 2 divisors, whose sum is σ = 1246824. Its totient is φ = 1246822.

The previous prime is 1246781. The next prime is 1246829. The reversal of 1246823 is 3286421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1246823 - 2¹⁰ = 1245799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1246792 and 1246801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1246829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623411 + 623412.

It is an arithmetic number, because the mean of its divisors is an integer number (623412).

2^1246823 is an apocalyptic number.

1246823 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246823 is an equidigital number, since it uses as much as digits as its factorization.

1246823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 1246823 is about 1116.6122872331. The cubic root of 1246823 is about 107.6303952217.

The spelling of 1246823 in words is "one million, two hundred forty-six thousand, eight hundred twenty-three".