1204313 has 12 divisors (see below), whose sum is σ = 1364580. Its totient is φ = 1061280.

The previous prime is 1204309. The next prime is 1204337. The reversal of 1204313 is 3134021.

It can be written as a sum of positive squares in 2 ways, for example, as 559504 + 644809 = 748^2 + 803^2 .

It is not a de Polignac number, because 1204313 - 2² = 1204309 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204363) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4343 + ... + 4611.

It is an arithmetic number, because the mean of its divisors is an integer number (113715).

2^1204313 is an apocalyptic number.

It is an amenable number.

1204313 is a deficient number, since it is larger than the sum of its proper divisors (160267).

1204313 is a wasteful number, since it uses less digits than its factorization.

1204313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1204313 is about 1097.4119554661. The cubic root of 1204313 is about 106.3930170950.

Adding to 1204313 its reverse (3134021), we get a palindrome (4338334).

The spelling of 1204313 in words is "one million, two hundred four thousand, three hundred thirteen".