12968755 has 4 divisors (see below), whose sum is σ = 15562512. Its totient is φ = 10375000.

The previous prime is 12968749. The next prime is 12968777. The reversal of 12968755 is 55786921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55786921 = 241 ⋅231481.

It is a de Polignac number, because none of the positive numbers 2^k-12968755 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296871 + ... + 1296880.

It is an arithmetic number, because the mean of its divisors is an integer number (3890628).

Almost surely, 2^12968755 is an apocalyptic number.

12968755 is a deficient number, since it is larger than the sum of its proper divisors (2593757).

12968755 is an equidigital number, since it uses as much as digits as its factorization.

12968755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593756.

The product of its digits is 151200, while the sum is 43.

The square root of 12968755 is about 3601.2157669321. The cubic root of 12968755 is about 234.9449395675.

The spelling of 12968755 in words is "twelve million, nine hundred sixty-eight thousand, seven hundred fifty-five".