1268536 has 8 divisors (see below), whose sum is σ = 2378520. Its totient is φ = 634264.

The previous prime is 1268479. The next prime is 1268537. The reversal of 1268536 is 6358621.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1268498 and 1268507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79276 + ... + 79291.

It is an arithmetic number, because the mean of its divisors is an integer number (297315).

2^1268536 is an apocalyptic number.

It is an amenable number.

1268536 is a deficient number, since it is larger than the sum of its proper divisors (1109984).

1268536 is a wasteful number, since it uses less digits than its factorization.

1268536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158573 (or 158569 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 1268536 is about 1126.2930346939. The cubic root of 1268536 is about 108.2515854031.

It can be divided in two parts, 12685 and 36, that added together give a palindrome (12721).

The spelling of 1268536 in words is "one million, two hundred sixty-eight thousand, five hundred thirty-six".