1268913 has 16 divisors (see below), whose sum is σ = 1762560. Its totient is φ = 811536.

The previous prime is 1268899. The next prime is 1268921. The reversal of 1268913 is 3198621.

It is not a de Polignac number, because 1268913 - 2⁵ = 1268881 is a prime.

It is a super-2 number, since 2×1268913² = 3220280403138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1268963) 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 in 15 ways as a sum of consecutive naturals, for example, 11806 + ... + 11912.

It is an arithmetic number, because the mean of its divisors is an integer number (110160).

2^1268913 is an apocalyptic number.

It is an amenable number.

1268913 is a deficient number, since it is larger than the sum of its proper divisors (493647).

1268913 is a wasteful number, since it uses less digits than its factorization.

1268913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236.

The product of its digits is 2592, while the sum is 30.

The square root of 1268913 is about 1126.4603854553. The cubic root of 1268913 is about 108.2623082115.

The spelling of 1268913 in words is "one million, two hundred sixty-eight thousand, nine hundred thirteen".