13490728121350 has 48 divisors (see below), whose sum is σ = 25772043452400. Its totient is φ = 5250220087680.

The previous prime is 13490728121309. The next prime is 13490728121419. The reversal of 13490728121350 is 5312182709431.

It is a self number, because there is not a number n which added to its sum of digits gives 13490728121350.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46733256 + ... + 47021044.

It is an arithmetic number, because the mean of its divisors is an integer number (536917571925).

Almost surely, 2^{13490728121350} is an apocalyptic number.

13490728121350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13490728121350 is a deficient number, since it is larger than the sum of its proper divisors (12281315331050).

13490728121350 is a wasteful number, since it uses less digits than its factorization.

13490728121350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313177 (or 313172 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 13490728121350 in words is "thirteen trillion, four hundred ninety billion, seven hundred twenty-eight million, one hundred twenty-one thousand, three hundred fifty".