13125326652 has 36 divisors (see below), whose sum is σ = 33220900440. Its totient is φ = 4369439712.

The previous prime is 13125326633. The next prime is 13125326653. The reversal of 13125326652 is 25662352131.

13125326652 is a `hidden beast` number, since 1 + 3 + 12 + 532 + 66 + 52 = 666.

13125326652 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125326653) 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 11 ways as a sum of consecutive naturals, for example, 208002 + ... + 263657.

It is an arithmetic number, because the mean of its divisors is an integer number (922802790).

Almost surely, 2^13125326652 is an apocalyptic number.

13125326652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13125326652 is an abundant number, since it is smaller than the sum of its proper divisors (20095573788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13125326652 is a wasteful number, since it uses less digits than its factorization.

13125326652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472442 (or 472437 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

Adding to 13125326652 its reverse (25662352131), we get a palindrome (38787678783).

The spelling of 13125326652 in words is "thirteen billion, one hundred twenty-five million, three hundred twenty-six thousand, six hundred fifty-two".