13665430452 has 12 divisors (see below), whose sum is σ = 31886004416. Its totient is φ = 4555143480.

The previous prime is 13665430423. The next prime is 13665430459. The reversal of 13665430452 is 25403456631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13665430452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13665430459) 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, 569392924 + ... + 569392947.

Almost surely, 2^13665430452 is an apocalyptic number.

13665430452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13665430452 is an abundant number, since it is smaller than the sum of its proper divisors (18220573964).

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

13665430452 is a wasteful number, since it uses less digits than its factorization.

13665430452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138785878 (or 1138785876 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The spelling of 13665430452 in words is "thirteen billion, six hundred sixty-five million, four hundred thirty thousand, four hundred fifty-two".