1234312 has 16 divisors (see below), whose sum is σ = 2326860. Its totient is φ = 613824.

The previous prime is 1234309. The next prime is 1234333. The reversal of 1234312 is 2134321.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1028196 + 206116 = 1014^2 + 454^2 .

It is a super-2 number, since 2×1234312² = 3047052226688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1938 + ... + 2494.

2^1234312 is an apocalyptic number.

It is an amenable number.

1234312 is a deficient number, since it is larger than the sum of its proper divisors (1092548).

1234312 is a wasteful number, since it uses less digits than its factorization.

1234312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840 (or 836 counting only the distinct ones).

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

The square root of 1234312 is about 1110.9959495876. The cubic root of 1234312 is about 107.2691856796.

Adding to 1234312 its reverse (2134321), we get a palindrome (3368633).

Subtracting 1234312 from its reverse (2134321), we obtain a palindrome (900009).

The spelling of 1234312 in words is "one million, two hundred thirty-four thousand, three hundred twelve".