1316604 has 12 divisors (see below), whose sum is σ = 3072104. Its totient is φ = 438864.

The previous prime is 1316603. The next prime is 1316621. The reversal of 1316604 is 4066131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54847 + ... + 54870.

2^1316604 is an apocalyptic number.

It is an amenable number.

1316604 is an abundant number, since it is smaller than the sum of its proper divisors (1755500).

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

1316604 is a wasteful number, since it uses less digits than its factorization.

1316604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109724 (or 109722 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1316604 is about 1147.4336582130. The cubic root of 1316604 is about 109.6019775160.

The spelling of 1316604 in words is "one million, three hundred sixteen thousand, six hundred four".