1304880 has 40 divisors (see below), whose sum is σ = 4045872. Its totient is φ = 347904.

The previous prime is 1304867. The next prime is 1304887. The reversal of 1304880 is 884031.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1304880.

It is not an unprimeable number, because it can be changed into a prime (1304887) 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, 2479 + ... + 2958.

2^1304880 is an apocalyptic number.

1304880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1304880 is an abundant number, since it is smaller than the sum of its proper divisors (2740992).

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

1304880 is a wasteful number, since it uses less digits than its factorization.

1304880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5453 (or 5447 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1304880 is about 1142.3134420990. The cubic root of 1304880 is about 109.2756818140.

The spelling of 1304880 in words is "one million, three hundred four thousand, eight hundred eighty".