13247770390 has 32 divisors (see below), whose sum is σ = 24098420736. Its totient is φ = 5243101920.

The previous prime is 13247770363. The next prime is 13247770409. The reversal of 13247770390 is 9307774231.

13247770390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 15 ways as a sum of consecutive naturals, for example, 1337155 + ... + 1347025.

It is an arithmetic number, because the mean of its divisors is an integer number (753075648).

Almost surely, 2^13247770390 is an apocalyptic number.

13247770390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13247770390 is a deficient number, since it is larger than the sum of its proper divisors (10850650346).

13247770390 is a wasteful number, since it uses less digits than its factorization.

13247770390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11284.

The product of its (nonzero) digits is 222264, while the sum is 43.

The spelling of 13247770390 in words is "thirteen billion, two hundred forty-seven million, seven hundred seventy thousand, three hundred ninety".