1304523 has 12 divisors (see below), whose sum is σ = 2055768. Its totient is φ = 790560.

The previous prime is 1304519. The next prime is 1304531. The reversal of 1304523 is 3254031.

It is not a de Polignac number, because 1304523 - 2² = 1304519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1304496 and 1304505.

It is not an unprimeable number, because it can be changed into a prime (1304503) 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, 6490 + ... + 6687.

It is an arithmetic number, because the mean of its divisors is an integer number (171314).

2^1304523 is an apocalyptic number.

1304523 is a deficient number, since it is larger than the sum of its proper divisors (751245).

1304523 is a wasteful number, since it uses less digits than its factorization.

1304523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13194 (or 13191 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1304523 is about 1142.1571695699. The cubic root of 1304523 is about 109.2657153863.

Adding to 1304523 its reverse (3254031), we get a palindrome (4558554).

The spelling of 1304523 in words is "one million, three hundred four thousand, five hundred twenty-three".