1306912 has 12 divisors (see below), whose sum is σ = 2573046. Its totient is φ = 653440.

The previous prime is 1306901. The next prime is 1306913. The reversal of 1306912 is 2196031.

It can be written as a sum of positive squares in only one way, i.e., 839056 + 467856 = 916^2 + 684^2 .

It is not an unprimeable number, because it can be changed into a prime (1306913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20389 + ... + 20452.

2^1306912 is an apocalyptic number.

It is an amenable number.

1306912 is a deficient number, since it is larger than the sum of its proper divisors (1266134).

1306912 is an equidigital number, since it uses as much as digits as its factorization.

1306912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40851 (or 40843 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1306912 is about 1143.2025192415. The cubic root of 1306912 is about 109.3323749007.

The spelling of 1306912 in words is "one million, three hundred six thousand, nine hundred twelve".