13669765 has 8 divisors (see below), whose sum is σ = 16611840. Its totient is φ = 10797072.

The previous prime is 13669763. The next prime is 13669771. The reversal of 13669765 is 56796631.

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 13669765 - 2¹ = 13669763 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13669763) 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, 16909 + ... + 17698.

It is an arithmetic number, because the mean of its divisors is an integer number (2076480).

Almost surely, 2^13669765 is an apocalyptic number.

It is an amenable number.

13669765 is a deficient number, since it is larger than the sum of its proper divisors (2942075).

13669765 is an equidigital number, since it uses as much as digits as its factorization.

13669765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34691.

The product of its digits is 204120, while the sum is 43.

The square root of 13669765 is about 3697.2645293514. The cubic root of 13669765 is about 239.1040961553.

The spelling of 13669765 in words is "thirteen million, six hundred sixty-nine thousand, seven hundred sixty-five".