13225776 has 40 divisors (see below), whose sum is σ = 34734384. Its totient is φ = 4335360.

The previous prime is 13225763. The next prime is 13225781. The reversal of 13225776 is 67752231.

13225776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670 + ... + 5186.

Almost surely, 2^13225776 is an apocalyptic number.

13225776 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 13225776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17367192).

13225776 is an abundant number, since it is smaller than the sum of its proper divisors (21508608).

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

13225776 is a wasteful number, since it uses less digits than its factorization.

13225776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4589 (or 4583 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 13225776 is about 3636.7260001270. The cubic root of 13225776 is about 236.4868814676.

The spelling of 13225776 in words is "thirteen million, two hundred twenty-five thousand, seven hundred seventy-six".