13732505 has 8 divisors (see below), whose sum is σ = 16598400. Its totient is φ = 10906416.

The previous prime is 13732501. The next prime is 13732531. The reversal of 13732505 is 50523731.

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 13732505 - 2² = 13732501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13732501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9185 + ... + 10574.

It is an arithmetic number, because the mean of its divisors is an integer number (2074800).

Almost surely, 2^13732505 is an apocalyptic number.

It is an amenable number.

13732505 is a deficient number, since it is larger than the sum of its proper divisors (2865895).

13732505 is a wasteful number, since it uses less digits than its factorization.

13732505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19903.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 13732505 is about 3705.7394673668. The cubic root of 13732505 is about 239.4693425890.

The spelling of 13732505 in words is "thirteen million, seven hundred thirty-two thousand, five hundred five".