13121122 has 32 divisors (see below), whose sum is σ = 23731200. Its totient is φ = 5433120.

The previous prime is 13121117. The next prime is 13121159. The reversal of 13121122 is 22112131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20958 + ... + 21574.

It is an arithmetic number, because the mean of its divisors is an integer number (741600).

Almost surely, 2^13121122 is an apocalyptic number.

13121122 is a deficient number, since it is larger than the sum of its proper divisors (10610078).

13121122 is an equidigital number, since it uses as much as digits as its factorization.

13121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 657 counting only the distinct ones).

The product of its digits is 24, while the sum is 13.

The square root of 13121122 is about 3622.3089321592. The cubic root of 13121122 is about 235.8614647054.

Adding to 13121122 its reverse (22112131), we get a palindrome (35233253).

The spelling of 13121122 in words is "thirteen million, one hundred twenty-one thousand, one hundred twenty-two".