1268312 has 32 divisors (see below), whose sum is σ = 2544480. Its totient is φ = 591360.

The previous prime is 1268299. The next prime is 1268327. The reversal of 1268312 is 2138621.

It is a Smith number, since the sum of its digits (23) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11168 + ... + 11280.

It is an arithmetic number, because the mean of its divisors is an integer number (79515).

2^1268312 is an apocalyptic number.

It is an amenable number.

1268312 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

1268312 is a wasteful number, since it uses less digits than its factorization.

1268312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 199 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 1268312 is about 1126.1935890423. The cubic root of 1268312 is about 108.2452132853.

The spelling of 1268312 in words is "one million, two hundred sixty-eight thousand, three hundred twelve".