13405513252 has 6 divisors (see below), whose sum is σ = 23459648198. Its totient is φ = 6702756624.

The previous prime is 13405513237. The next prime is 13405513267. The reversal of 13405513252 is 25231550431.

13405513252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13405513237) and next prime (13405513267).

It can be written as a sum of positive squares in only one way, i.e., 12422439936 + 983073316 = 111456^2 + 31354^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1675689153 + ... + 1675689160.

Almost surely, 2^13405513252 is an apocalyptic number.

It is an amenable number.

13405513252 is a deficient number, since it is larger than the sum of its proper divisors (10054134946).

13405513252 is a wasteful number, since it uses less digits than its factorization.

13405513252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351378317 (or 3351378315 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 13405513252 in words is "thirteen billion, four hundred five million, five hundred thirteen thousand, two hundred fifty-two".