13120346773726 has 4 divisors (see below), whose sum is σ = 19680520160592. Its totient is φ = 6560173386862.

The previous prime is 13120346773717. The next prime is 13120346773727. The reversal of 13120346773726 is 62737764302131.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13120346773727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3280086693430 + ... + 3280086693433.

It is an arithmetic number, because the mean of its divisors is an integer number (4920130040148).

Almost surely, 2^{13120346773726} is an apocalyptic number.

13120346773726 is a deficient number, since it is larger than the sum of its proper divisors (6560173386866).

13120346773726 is an equidigital number, since it uses as much as digits as its factorization.

13120346773726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6560173386865.

The product of its (nonzero) digits is 5334336, while the sum is 52.

The spelling of 13120346773726 in words is "thirteen trillion, one hundred twenty billion, three hundred forty-six million, seven hundred seventy-three thousand, seven hundred twenty-six".