1304712 has 24 divisors (see below), whose sum is σ = 3533790. Its totient is φ = 434880.

The previous prime is 1304707. The next prime is 1304713. The reversal of 1304712 is 2174031.

It can be written as a sum of positive squares in only one way, i.e., 1179396 + 125316 = 1086^2 + 354^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1304713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8989 + ... + 9132.

2^1304712 is an apocalyptic number.

1304712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304712 is an abundant number, since it is smaller than the sum of its proper divisors (2229078).

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

1304712 is a wasteful number, since it uses less digits than its factorization.

1304712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18133 (or 18126 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 1304712 is about 1142.2399047486. The cubic root of 1304712 is about 109.2709919568.

Adding to 1304712 its reverse (2174031), we get a palindrome (3478743).

It can be divided in two parts, 1304 and 712, that added together give a triangular number (2016 = T₆₃).

The spelling of 1304712 in words is "one million, three hundred four thousand, seven hundred twelve".