1304000 has 56 divisors (see below), whose sum is σ = 3249168. Its totient is φ = 518400.

The previous prime is 1303987. The next prime is 1304003. The reversal of 1304000 is 4031.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7919 + ... + 8081.

2^1304000 is an apocalyptic number.

1304000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1304000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1624584).

1304000 is an abundant number, since it is smaller than the sum of its proper divisors (1945168).

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

1304000 is an equidigital number, since it uses as much as digits as its factorization.

1304000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 1304000 is about 1141.9281938896. The cubic root of 1304000 is about 109.2511114256.

Adding to 1304000 its reverse (4031), we get a palindrome (1308031).

The spelling of 1304000 in words is "one million, three hundred four thousand".