13772208 has 40 divisors (see below), whose sum is σ = 35712000. Its totient is φ = 4573504.

The previous prime is 13772191. The next prime is 13772243. The reversal of 13772208 is 80227731.

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, 22693 + ... + 23291.

It is an arithmetic number, because the mean of its divisors is an integer number (892800).

Almost surely, 2^13772208 is an apocalyptic number.

It is an amenable number.

13772208 is an abundant number, since it is smaller than the sum of its proper divisors (21939792).

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

13772208 is a wasteful number, since it uses less digits than its factorization.

13772208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 13772208 is about 3711.0925614972. The cubic root of 13772208 is about 239.6999026909.

Adding to 13772208 its reverse (80227731), we get a palindrome (93999939).

The spelling of 13772208 in words is "thirteen million, seven hundred seventy-two thousand, two hundred eight".