1294912 has 14 divisors (see below), whose sum is σ = 2569718. Its totient is φ = 647424.

The previous prime is 1294849. The next prime is 1294939. The reversal of 1294912 is 2194921.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1115136 + 179776 = 1056^2 + 424^2 .

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 as a sum of consecutive naturals, namely, 10053 + ... + 10180.

2^1294912 is an apocalyptic number.

It is an amenable number.

1294912 is a deficient number, since it is larger than the sum of its proper divisors (1274806).

1294912 is an equidigital number, since it uses as much as digits as its factorization.

1294912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20245 (or 20235 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 1294912 is about 1137.9420020370. The cubic root of 1294912 is about 108.9967173492.

Subtracting 1294912 from its reverse (2194921), we obtain a palindrome (900009).

It can be divided in two parts, 129 and 4912, that added together give a square (5041 = 71²).

The spelling of 1294912 in words is "one million, two hundred ninety-four thousand, nine hundred twelve".