1304401 has 4 divisors (see below), whose sum is σ = 1490752. Its totient is φ = 1118052.

The previous prime is 1304389. The next prime is 1304411. The reversal of 1304401 is 1044031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1044031 = 19 ⋅54949.

It is a cyclic number.

It is not a de Polignac number, because 1304401 - 2⁷ = 1304273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1304411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93165 + ... + 93178.

It is an arithmetic number, because the mean of its divisors is an integer number (372688).

2^1304401 is an apocalyptic number.

It is an amenable number.

1304401 is a deficient number, since it is larger than the sum of its proper divisors (186351).

1304401 is an equidigital number, since it uses as much as digits as its factorization.

1304401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186350.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1304401 is about 1142.1037606102. The cubic root of 1304401 is about 109.2623090754.

Adding to 1304401 its reverse (1044031), we get a palindrome (2348432).

The spelling of 1304401 in words is "one million, three hundred four thousand, four hundred one".