1304534 has 32 divisors (see below), whose sum is σ = 2509056. Its totient is φ = 493920.

The previous prime is 1304531. The next prime is 1304539. The reversal of 1304534 is 4354031.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6524 + ... + 6720.

It is an arithmetic number, because the mean of its divisors is an integer number (78408).

2^1304534 is an apocalyptic number.

1304534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1304534 is a deficient number, since it is larger than the sum of its proper divisors (1204522).

1304534 is a wasteful number, since it uses less digits than its factorization.

1304534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1304534 is about 1142.1619850091. The cubic root of 1304534 is about 109.2660225022.

Adding to 1304534 its reverse (4354031), we get a palindrome (5658565).

It can be divided in two parts, 130 and 4534, that added together give a palindrome (4664).

The spelling of 1304534 in words is "one million, three hundred four thousand, five hundred thirty-four".