13729765 has 8 divisors (see below), whose sum is σ = 18829440. Its totient is φ = 9414672.

The previous prime is 13729759. The next prime is 13729783. The reversal of 13729765 is 56792731.

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 13729765 - 2¹¹ = 13727717 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, 196105 + ... + 196174.

It is an arithmetic number, because the mean of its divisors is an integer number (2353680).

Almost surely, 2^13729765 is an apocalyptic number.

It is an amenable number.

13729765 is a deficient number, since it is larger than the sum of its proper divisors (5099675).

13729765 is an equidigital number, since it uses as much as digits as its factorization.

13729765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392291.

The product of its digits is 79380, while the sum is 40.

The square root of 13729765 is about 3705.3697521300. The cubic root of 13729765 is about 239.4534146952.

The spelling of 13729765 in words is "thirteen million, seven hundred twenty-nine thousand, seven hundred sixty-five".