13745765 has 8 divisors (see below), whose sum is σ = 17994528. Its totient is φ = 9996880.

The previous prime is 13745749. The next prime is 13745777. The reversal of 13745765 is 56754731.

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

It is not a de Polignac number, because 13745765 - 2⁴ = 13745749 is a prime.

It is a Duffinian number.

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, 124907 + ... + 125016.

It is an arithmetic number, because the mean of its divisors is an integer number (2249316).

Almost surely, 2^13745765 is an apocalyptic number.

It is an amenable number.

13745765 is a deficient number, since it is larger than the sum of its proper divisors (4248763).

13745765 is a wasteful number, since it uses less digits than its factorization.

13745765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249939.

The product of its digits is 88200, while the sum is 38.

The square root of 13745765 is about 3707.5281522869. The cubic root of 13745765 is about 239.5463943723.

The spelling of 13745765 in words is "thirteen million, seven hundred forty-five thousand, seven hundred sixty-five".