12913453052 has 12 divisors (see below), whose sum is σ = 22606770816. Its totient is φ = 6454375680.

The previous prime is 12913453051. The next prime is 12913453061. The reversal of 12913453052 is 25035431921.

It is a super-2 number, since 2×12913453052² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12913453051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 575324 + ... + 597347.

It is an arithmetic number, because the mean of its divisors is an integer number (1883897568).

Almost surely, 2^12913453052 is an apocalyptic number.

It is an amenable number.

12913453052 is a deficient number, since it is larger than the sum of its proper divisors (9693317764).

12913453052 is a wasteful number, since it uses less digits than its factorization.

12913453052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175428 (or 1175426 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 12913453052 its reverse (25035431921), we get a palindrome (37948884973).

The spelling of 12913453052 in words is "twelve billion, nine hundred thirteen million, four hundred fifty-three thousand, fifty-two".