12693524530 has 32 divisors (see below), whose sum is σ = 23682813696. Its totient is φ = 4895197824.

The previous prime is 12693524509. The next prime is 12693524531. The reversal of 12693524530 is 3542539621.

12693524530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12693524530² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12693524531) 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 15 ways as a sum of consecutive naturals, for example, 170059 + ... + 233038.

It is an arithmetic number, because the mean of its divisors is an integer number (740087928).

Almost surely, 2^12693524530 is an apocalyptic number.

12693524530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12693524530 is a deficient number, since it is larger than the sum of its proper divisors (10989289166).

12693524530 is a wasteful number, since it uses less digits than its factorization.

12693524530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403218.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 12693524530 in words is "twelve billion, six hundred ninety-three million, five hundred twenty-four thousand, five hundred thirty".