13422772 has 18 divisors (see below), whose sum is σ = 25820354. Its totient is φ = 6101040.

The previous prime is 13422769. The next prime is 13422781. The reversal of 13422772 is 27722431.

It can be written as a sum of positive squares in only one way, i.e., 9759376 + 3663396 = 3124^2 + 1914^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13422772.

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 5 ways as a sum of consecutive naturals, for example, 13383 + ... + 14350.

Almost surely, 2^13422772 is an apocalyptic number.

It is an amenable number.

13422772 is a deficient number, since it is larger than the sum of its proper divisors (12397582).

13422772 is a wasteful number, since it uses less digits than its factorization.

13422772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27759 (or 27746 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 13422772 is about 3663.7101413731. The cubic root of 13422772 is about 237.6552454984.

It can be divided in two parts, 1342 and 2772, that added together give a palindrome (4114).

The spelling of 13422772 in words is "thirteen million, four hundred twenty-two thousand, seven hundred seventy-two".