13752109 has 8 divisors (see below), whose sum is σ = 15769728. Its totient is φ = 11747760.

The previous prime is 13752103. The next prime is 13752113. The reversal of 13752109 is 90125731.

13752109 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13752109 - 2⁵ = 13752077 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 (13752103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 982 + ... + 5335.

It is an arithmetic number, because the mean of its divisors is an integer number (1971216).

Almost surely, 2^13752109 is an apocalyptic number.

It is an amenable number.

13752109 is a deficient number, since it is larger than the sum of its proper divisors (2017619).

13752109 is an equidigital number, since it uses as much as digits as its factorization.

13752109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6635.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 13752109 is about 3708.3836101461. The cubic root of 13752109 is about 239.5832408384.

It can be divided in two parts, 13752 and 109, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 13752109 in words is "thirteen million, seven hundred fifty-two thousand, one hundred nine".