13501765 has 8 divisors (see below), whose sum is σ = 16319520. Its totient is φ = 10723152.

The previous prime is 13501753. The next prime is 13501819. The reversal of 13501765 is 56710531.

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 13501765 - 2⁷ = 13501637 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9019 + ... + 10408.

It is an arithmetic number, because the mean of its divisors is an integer number (2039940).

Almost surely, 2^13501765 is an apocalyptic number.

It is an amenable number.

13501765 is a deficient number, since it is larger than the sum of its proper divisors (2817755).

13501765 is a wasteful number, since it uses less digits than its factorization.

13501765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19571.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 13501765 is about 3674.4747924023. The cubic root of 13501765 is about 238.1205342425.

The spelling of 13501765 in words is "thirteen million, five hundred one thousand, seven hundred sixty-five".