13452109 has 16 divisors (see below), whose sum is σ = 15335424. Its totient is φ = 11689200.

The previous prime is 13452091. The next prime is 13452113. The reversal of 13452109 is 90125431.

13452109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13452109 - 2¹¹ = 13450061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13452139) 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, 34932 + ... + 35314.

It is an arithmetic number, because the mean of its divisors is an integer number (958464).

Almost surely, 2^13452109 is an apocalyptic number.

It is an amenable number.

13452109 is a deficient number, since it is larger than the sum of its proper divisors (1883315).

13452109 is a wasteful number, since it uses less digits than its factorization.

13452109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 13452109 is about 3667.7116844158. The cubic root of 13452109 is about 237.8282603983.

The spelling of 13452109 in words is "thirteen million, four hundred fifty-two thousand, one hundred nine".