13377217 has 4 divisors (see below), whose sum is σ = 15288256. Its totient is φ = 11466180.

The previous prime is 13377211. The next prime is 13377223. The reversal of 13377217 is 71277331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71277331 = 29 ⋅2457839.

It is an interprime number because it is at equal distance from previous prime (13377211) and next prime (13377223).

It is a cyclic number.

It is not a de Polignac number, because 13377217 - 2¹¹ = 13375169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13377211) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 955509 + ... + 955522.

It is an arithmetic number, because the mean of its divisors is an integer number (3822064).

Almost surely, 2^13377217 is an apocalyptic number.

It is an amenable number.

13377217 is a deficient number, since it is larger than the sum of its proper divisors (1911039).

13377217 is an equidigital number, since it uses as much as digits as its factorization.

13377217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911038.

The product of its digits is 6174, while the sum is 31.

The square root of 13377217 is about 3657.4877990227. The cubic root of 13377217 is about 237.3860846128.

The spelling of 13377217 in words is "thirteen million, three hundred seventy-seven thousand, two hundred seventeen".