12801755 has 4 divisors (see below), whose sum is σ = 15362112. Its totient is φ = 10241400.

The previous prime is 12801751. The next prime is 12801773. The reversal of 12801755 is 55710821.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12801755 - 2² = 12801751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12801751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1280171 + ... + 1280180.

It is an arithmetic number, because the mean of its divisors is an integer number (3840528).

Almost surely, 2^12801755 is an apocalyptic number.

12801755 is a deficient number, since it is larger than the sum of its proper divisors (2560357).

12801755 is an equidigital number, since it uses as much as digits as its factorization.

12801755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560356.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 12801755 is about 3577.9540242994. The cubic root of 12801755 is about 233.9321095083.

The spelling of 12801755 in words is "twelve million, eight hundred one thousand, seven hundred fifty-five".