1404313 has 4 divisors (see below), whose sum is σ = 1434240. Its totient is φ = 1374388.

The previous prime is 1404289. The next prime is 1404323. The reversal of 1404313 is 3134041.

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.

It is a cyclic number.

It is not a de Polignac number, because 1404313 - 2¹⁷ = 1273241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1404323) 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, 14893 + ... + 14986.

It is an arithmetic number, because the mean of its divisors is an integer number (358560).

2^1404313 is an apocalyptic number.

It is an amenable number.

1404313 is a deficient number, since it is larger than the sum of its proper divisors (29927).

1404313 is an equidigital number, since it uses as much as digits as its factorization.

1404313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29926.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1404313 is about 1185.0371302200. The cubic root of 1404313 is about 111.9836551403.

Adding to 1404313 its reverse (3134041), we get a palindrome (4538354).

The spelling of 1404313 in words is "one million, four hundred four thousand, three hundred thirteen".