12881124 has 18 divisors (see below), whose sum is σ = 32560710. Its totient is φ = 4293696.

The previous prime is 12881119. The next prime is 12881131. The reversal of 12881124 is 42118821.

It can be written as a sum of positive squares in only one way, i.e., 11778624 + 1102500 = 3432^2 + 1050^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 178869 + ... + 178940.

Almost surely, 2^12881124 is an apocalyptic number.

It is an amenable number.

12881124 is an abundant number, since it is smaller than the sum of its proper divisors (19679586).

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

12881124 is a wasteful number, since it uses less digits than its factorization.

12881124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357819 (or 357814 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 12881124 is about 3589.0282807468. The cubic root of 12881124 is about 234.4145620683.

Adding to 12881124 its reverse (42118821), we get a palindrome (54999945).

The spelling of 12881124 in words is "twelve million, eight hundred eighty-one thousand, one hundred twenty-four".