13422028 has 12 divisors (see below), whose sum is σ = 23887080. Its totient is φ = 6597152.

The previous prime is 13422023. The next prime is 13422049. The reversal of 13422028 is 82022431.

It is not an unprimeable number, because it can be changed into a prime (13422023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28201 + ... + 28672.

It is an arithmetic number, because the mean of its divisors is an integer number (1990590).

Almost surely, 2^13422028 is an apocalyptic number.

It is an amenable number.

13422028 is a deficient number, since it is larger than the sum of its proper divisors (10465052).

13422028 is a wasteful number, since it uses less digits than its factorization.

13422028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56936 (or 56934 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 13422028 is about 3663.6086035492. The cubic root of 13422028 is about 237.6508544836.

Adding to 13422028 its reverse (82022431), we get a palindrome (95444459).

The spelling of 13422028 in words is "thirteen million, four hundred twenty-two thousand, twenty-eight".