1304724 has 12 divisors (see below), whose sum is σ = 3044384. Its totient is φ = 434904.

The previous prime is 1304713. The next prime is 1304741. The reversal of 1304724 is 4274031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1304724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54352 + ... + 54375.

2^1304724 is an apocalyptic number.

It is an amenable number.

1304724 is an abundant number, since it is smaller than the sum of its proper divisors (1739660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1304724 is a wasteful number, since it uses less digits than its factorization.

1304724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108734 (or 108732 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 1304724 is about 1142.2451575735. The cubic root of 1304724 is about 109.2713269600.

Adding to 1304724 its reverse (4274031), we get a palindrome (5578755).

The spelling of 1304724 in words is "one million, three hundred four thousand, seven hundred twenty-four".