13747065 has 8 divisors (see below), whose sum is σ = 21995328. Its totient is φ = 7331760.

The previous prime is 13747061. The next prime is 13747103. The reversal of 13747065 is 56074731.

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

It is not a de Polignac number, because 13747065 - 2² = 13747061 is a prime.

It is a super-2 number, since 2×13747065² = 377963592228450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13747061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458221 + ... + 458250.

It is an arithmetic number, because the mean of its divisors is an integer number (2749416).

Almost surely, 2^13747065 is an apocalyptic number.

13747065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13747065 is a deficient number, since it is larger than the sum of its proper divisors (8248263).

13747065 is an equidigital number, since it uses as much as digits as its factorization.

13747065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916479.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 13747065 is about 3707.7034671074. The cubic root of 13747065 is about 239.5539458010.

The spelling of 13747065 in words is "thirteen million, seven hundred forty-seven thousand, sixty-five".