13125122 has 16 divisors (see below), whose sum is σ = 21101472. Its totient is φ = 6100800.

The previous prime is 13125113. The next prime is 13125127. The reversal of 13125122 is 22152131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 13125122.

It is not an unprimeable number, because it can be changed into a prime (13125127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (1318842).

Almost surely, 2^13125122 is an apocalyptic number.

13125122 is a deficient number, since it is larger than the sum of its proper divisors (7976350).

13125122 is a wasteful number, since it uses less digits than its factorization.

13125122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4753.

The product of its digits is 120, while the sum is 17.

The square root of 13125122 is about 3622.8610241079. The cubic root of 13125122 is about 235.8854298817.

Adding to 13125122 its reverse (22152131), we get a palindrome (35277253).

The spelling of 13125122 in words is "thirteen million, one hundred twenty-five thousand, one hundred twenty-two".