13897005 has 8 divisors (see below), whose sum is σ = 22235232. Its totient is φ = 7411728.

The previous prime is 13896997. The next prime is 13897027. The reversal of 13897005 is 50079831.

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

It is not a de Polignac number, because 13897005 - 2³ = 13896997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463219 + ... + 463248.

It is an arithmetic number, because the mean of its divisors is an integer number (2779404).

Almost surely, 2^13897005 is an apocalyptic number.

13897005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13897005 is a deficient number, since it is larger than the sum of its proper divisors (8338227).

13897005 is an equidigital number, since it uses as much as digits as its factorization.

13897005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926475.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 13897005 is about 3727.8686940395. The cubic root of 13897005 is about 240.4217410983.

The spelling of 13897005 in words is "thirteen million, eight hundred ninety-seven thousand, five".