13026279872217 has 24 divisors (see below), whose sum is σ = 17465052900000. Its totient is φ = 8636079238848.

The previous prime is 13026279872201. The next prime is 13026279872233. The reversal of 13026279872217 is 71227897262031.

It is an interprime number because it is at equal distance from previous prime (13026279872201) and next prime (13026279872233).

It is not a de Polignac number, because 13026279872217 - 2⁴ = 13026279872201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13026279872257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119838909 + ... + 119947557.

It is an arithmetic number, because the mean of its divisors is an integer number (727710537500).

Almost surely, 2^{13026279872217} is an apocalyptic number.

It is an amenable number.

13026279872217 is a deficient number, since it is larger than the sum of its proper divisors (4438773027783).

13026279872217 is an equidigital number, since it uses as much as digits as its factorization.

13026279872217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109717 (or 109434 counting only the distinct ones).

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 13026279872217 in words is "thirteen trillion, twenty-six billion, two hundred seventy-nine million, eight hundred seventy-two thousand, two hundred seventeen".