13226977 has 4 divisors (see below), whose sum is σ = 13282560. Its totient is φ = 13171396.

The previous prime is 13226921. The next prime is 13227023. The reversal of 13226977 is 77962231.

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: 77962231 = 3251 ⋅23981.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13226977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221977) 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 3 ways as a sum of consecutive naturals, for example, 27433 + ... + 27910.

It is an arithmetic number, because the mean of its divisors is an integer number (3320640).

Almost surely, 2^13226977 is an apocalyptic number.

It is an amenable number.

13226977 is a deficient number, since it is larger than the sum of its proper divisors (55583).

13226977 is an equidigital number, since it uses as much as digits as its factorization.

13226977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55582.

The product of its digits is 31752, while the sum is 37.

The square root of 13226977 is about 3636.8911174243. The cubic root of 13226977 is about 236.4940395138.

The spelling of 13226977 in words is "thirteen million, two hundred twenty-six thousand, nine hundred seventy-seven".