13772212 has 12 divisors (see below), whose sum is σ = 24662176. Its totient is φ = 6725880.

The previous prime is 13772191. The next prime is 13772243. The reversal of 13772212 is 21227731.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 39864 + ... + 40207.

Almost surely, 2^13772212 is an apocalyptic number.

It is an amenable number.

13772212 is a deficient number, since it is larger than the sum of its proper divisors (10889964).

13772212 is a wasteful number, since it uses less digits than its factorization.

13772212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80118 (or 80116 counting only the distinct ones).

The product of its digits is 1176, while the sum is 25.

The square root of 13772212 is about 3711.0931004220. The cubic root of 13772212 is about 239.6999258970.

Adding to 13772212 its reverse (21227731), we get a palindrome (34999943).

The spelling of 13772212 in words is "thirteen million, seven hundred seventy-two thousand, two hundred twelve".