12755098997 has 4 divisors (see below), whose sum is σ = 13505398956. Its totient is φ = 12004799040.

The previous prime is 12755098969. The next prime is 12755099003. The reversal of 12755098997 is 79989055721.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5065738276 + 7689360721 = 71174^2 + 87689^2 .

It is a cyclic number.

It is not a de Polignac number, because 12755098997 - 2⁶ = 12755098933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12755098927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375149954 + ... + 375149987.

It is an arithmetic number, because the mean of its divisors is an integer number (3376349739).

Almost surely, 2^12755098997 is an apocalyptic number.

12755098997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12755098997 is a deficient number, since it is larger than the sum of its proper divisors (750299959).

12755098997 is an equidigital number, since it uses as much as digits as its factorization.

12755098997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750299958.

The product of its (nonzero) digits is 14288400, while the sum is 62.

The spelling of 12755098997 in words is "twelve billion, seven hundred fifty-five million, ninety-eight thousand, nine hundred ninety-seven".