13227776 has 36 divisors (see below), whose sum is σ = 26649672. Its totient is φ = 6552576.

The previous prime is 13227757. The next prime is 13227811. The reversal of 13227776 is 67772231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41570 + ... + 41886.

Almost surely, 2^13227776 is an apocalyptic number.

13227776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13227776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13324836).

13227776 is an abundant number, since it is smaller than the sum of its proper divisors (13421896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13227776 is an equidigital number, since it uses as much as digits as its factorization.

13227776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496 (or 482 counting only the distinct ones).

The product of its digits is 24696, while the sum is 35.

The square root of 13227776 is about 3637.0009623315. Note that the first 3 decimals coincide. The cubic root of 13227776 is about 236.4988013712.

The spelling of 13227776 in words is "thirteen million, two hundred twenty-seven thousand, seven hundred seventy-six".