12899080557841 has 3 divisors (see below), whose sum is σ = 12899084149371. Its totient is φ = 12899076966312.

The previous prime is 12899080557799. The next prime is 12899080557871. The reversal of 12899080557841 is 14875508099821.

The square root of 12899080557841 is 3591529.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 4215921799441 + 8683158758400 = 2053271^2 + 2946720^2 .

It is not a de Polignac number, because 12899080557841 - 2¹⁷ = 12899080426769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12899080557871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1795765 + ... + 5387293.

It is an arithmetic number, because the mean of its divisors is an integer number (4299694716457).

Almost surely, 2^{12899080557841} is an apocalyptic number.

12899080557841 is the 3591529-th square number.

12899080557841 is the 1795765-th centered octagonal number.

It is an amenable number.

12899080557841 is a deficient number, since it is larger than the sum of its proper divisors (3591530).

12899080557841 is an frugal number, since it uses more digits than its factorization.

12899080557841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183058 (or 3591529 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 67.

The spelling of 12899080557841 in words is "twelve trillion, eight hundred ninety-nine billion, eighty million, five hundred fifty-seven thousand, eight hundred forty-one".