12393587770 has 16 divisors (see below), whose sum is σ = 22674171528. Its totient is φ = 4876165440.

The previous prime is 12393587719. The next prime is 12393587777. The reversal of 12393587770 is 7778539321.

12393587770 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5261616369 + 7131971401 = 72537^2 + 84451^2 .

It is not an unprimeable number, because it can be changed into a prime (12393587777) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10158069 + ... + 10159288.

Almost surely, 2^12393587770 is an apocalyptic number.

12393587770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12393587770 is a deficient number, since it is larger than the sum of its proper divisors (10280583758).

12393587770 is a wasteful number, since it uses less digits than its factorization.

12393587770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20317425.

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 12393587770 in words is "twelve billion, three hundred ninety-three million, five hundred eighty-seven thousand, seven hundred seventy".