13121124 has 12 divisors (see below), whose sum is σ = 30615984. Its totient is φ = 4373704.

The previous prime is 13121117. The next prime is 13121159. The reversal of 13121124 is 42112131.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 546702 + ... + 546725.

It is an arithmetic number, because the mean of its divisors is an integer number (2551332).

Almost surely, 2^13121124 is an apocalyptic number.

It is an amenable number.

13121124 is an abundant number, since it is smaller than the sum of its proper divisors (17494860).

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

13121124 is a wasteful number, since it uses less digits than its factorization.

13121124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093434 (or 1093432 counting only the distinct ones).

The product of its digits is 48, while the sum is 15.

The square root of 13121124 is about 3622.3092082262. The cubic root of 13121124 is about 235.8614766892.

Adding to 13121124 its reverse (42112131), we get a palindrome (55233255).

The spelling of 13121124 in words is "thirteen million, one hundred twenty-one thousand, one hundred twenty-four".