13189122 has 16 divisors (see below), whose sum is σ = 29309280. Its totient is φ = 4396356.

The previous prime is 13189091. The next prime is 13189133. The reversal of 13189122 is 22198131.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122068 + ... + 122175.

It is an arithmetic number, because the mean of its divisors is an integer number (1831830).

Almost surely, 2^13189122 is an apocalyptic number.

13189122 is an abundant number, since it is smaller than the sum of its proper divisors (16120158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13189122 is a wasteful number, since it uses less digits than its factorization.

13189122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244254 (or 244248 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 13189122 is about 3631.6830808869. The cubic root of 13189122 is about 236.2682122518.

Subtracting 13189122 from its reverse (22198131), we obtain a palindrome (9009009).

It can be divided in two parts, 1318 and 9122, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 13189122 in words is "thirteen million, one hundred eighty-nine thousand, one hundred twenty-two".