1304407 has 8 divisors (see below), whose sum is σ = 1478960. Its totient is φ = 1140480.

The previous prime is 1304389. The next prime is 1304411. The reversal of 1304407 is 7044031.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1304407 - 2¹⁹ = 780119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304477) 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, 2394 + ... + 2887.

It is an arithmetic number, because the mean of its divisors is an integer number (184870).

2^1304407 is an apocalyptic number.

1304407 is a deficient number, since it is larger than the sum of its proper divisors (174553).

1304407 is a wasteful number, since it uses less digits than its factorization.

1304407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 1304407 is about 1142.1063873388. The cubic root of 1304407 is about 109.2624766038.

Adding to 1304407 its reverse (7044031), we get a palindrome (8348438).

It can be divided in two parts, 1304 and 407, that added together give a triangular number (1711 = T₅₈).

The spelling of 1304407 in words is "one million, three hundred four thousand, four hundred seven".