1204312 has 24 divisors (see below), whose sum is σ = 2351700. Its totient is φ = 578144.

The previous prime is 1204309. The next prime is 1204337. The reversal of 1204312 is 2134021.

It is a junction number, because it is equal to n+sod(n) for n = 1204292 and 1204301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6639 + ... + 6817.

2^1204312 is an apocalyptic number.

It is an amenable number.

1204312 is a deficient number, since it is larger than the sum of its proper divisors (1147388).

1204312 is a wasteful number, since it uses less digits than its factorization.

1204312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 210 counting only the distinct ones).

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

The square root of 1204312 is about 1097.4114998486. The cubic root of 1204312 is about 106.3929876472.

Adding to 1204312 its reverse (2134021), we get a palindrome (3338333).

The spelling of 1204312 in words is "one million, two hundred four thousand, three hundred twelve".