13551122 has 16 divisors (see below), whose sum is σ = 22099392. Its totient is φ = 6194640.

The previous prime is 13551119. The next prime is 13551133. The reversal of 13551122 is 22115531.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13551094 and 13551103.

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 7 ways as a sum of consecutive naturals, for example, 347 + ... + 5217.

It is an arithmetic number, because the mean of its divisors is an integer number (1381212).

Almost surely, 2^13551122 is an apocalyptic number.

13551122 is a deficient number, since it is larger than the sum of its proper divisors (8548270).

13551122 is a wasteful number, since it uses less digits than its factorization.

13551122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993.

The product of its digits is 300, while the sum is 20.

The square root of 13551122 is about 3681.1848636003. The cubic root of 13551122 is about 238.4103388944.

Adding to 13551122 its reverse (22115531), we get a palindrome (35666653).

The spelling of 13551122 in words is "thirteen million, five hundred fifty-one thousand, one hundred twenty-two".