13277217 has 4 divisors (see below), whose sum is σ = 17702960. Its totient is φ = 8851476.

The previous prime is 13277179. The next prime is 13277227. The reversal of 13277217 is 71277231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13277217 - 2¹⁸ = 13015073 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13277227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2212867 + ... + 2212872.

It is an arithmetic number, because the mean of its divisors is an integer number (4425740).

Almost surely, 2^13277217 is an apocalyptic number.

It is an amenable number.

13277217 is a deficient number, since it is larger than the sum of its proper divisors (4425743).

13277217 is an equidigital number, since it uses as much as digits as its factorization.

13277217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425742.

The product of its digits is 4116, while the sum is 30.

The square root of 13277217 is about 3643.7915692311. The cubic root of 13277217 is about 236.7930861541.

The spelling of 13277217 in words is "thirteen million, two hundred seventy-seven thousand, two hundred seventeen".