12481116 has 12 divisors (see below), whose sum is σ = 29122632. Its totient is φ = 4160368.

The previous prime is 12481103. The next prime is 12481123. The reversal of 12481116 is 61118421.

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

It is a super-5 number, since 5×12481116⁵ (a number of 37 digits) contains 55555 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 520035 + ... + 520058.

It is an arithmetic number, because the mean of its divisors is an integer number (2426886).

Almost surely, 2^12481116 is an apocalyptic number.

It is an amenable number.

12481116 is an abundant number, since it is smaller than the sum of its proper divisors (16641516).

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

12481116 is a wasteful number, since it uses less digits than its factorization.

12481116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040100 (or 1040098 counting only the distinct ones).

The product of its digits is 384, while the sum is 24.

The square root of 12481116 is about 3532.8622956464. The cubic root of 12481116 is about 231.9625137610.

Adding to 12481116 its reverse (61118421), we get a palindrome (73599537).

The spelling of 12481116 in words is "twelve million, four hundred eighty-one thousand, one hundred sixteen".