13750505 has 8 divisors (see below), whose sum is σ = 16525824. Its totient is φ = 10983600.

The previous prime is 13750493. The next prime is 13750507. The reversal of 13750505 is 50505731.

13750505 is digitally balanced in base 2, 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 not a de Polignac number, because 13750505 - 2¹² = 13746409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13750507) 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, 2360 + ... + 5750.

It is an arithmetic number, because the mean of its divisors is an integer number (2065728).

Almost surely, 2^13750505 is an apocalyptic number.

It is an amenable number.

13750505 is a deficient number, since it is larger than the sum of its proper divisors (2775319).

13750505 is an equidigital number, since it uses as much as digits as its factorization.

13750505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207.

The product of its (nonzero) digits is 2625, while the sum is 26.

The square root of 13750505 is about 3708.1673371087. The cubic root of 13750505 is about 239.5739257470.

The spelling of 13750505 in words is "thirteen million, seven hundred fifty thousand, five hundred five".