13452505 has 16 divisors (see below), whose sum is σ = 17694144. Its totient is φ = 9737280.

The previous prime is 13452503. The next prime is 13452533. The reversal of 13452505 is 50525431.

13452505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13452505 - 2¹ = 13452503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13452505.

It is not an unprimeable number, because it can be changed into a prime (13452503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14794 + ... + 15676.

It is an arithmetic number, because the mean of its divisors is an integer number (1105884).

Almost surely, 2^13452505 is an apocalyptic number.

It is an amenable number.

13452505 is a deficient number, since it is larger than the sum of its proper divisors (4241639).

13452505 is a wasteful number, since it uses less digits than its factorization.

13452505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 13452505 is about 3667.7656686326. The cubic root of 13452505 is about 237.8305940860.

Adding to 13452505 its reverse (50525431), we get a palindrome (63977936).

The spelling of 13452505 in words is "thirteen million, four hundred fifty-two thousand, five hundred five".