12981468 has 12 divisors (see below), whose sum is σ = 30290120. Its totient is φ = 4327152.

The previous prime is 12981439. The next prime is 12981481. The reversal of 12981468 is 86418921.

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

It is a super-2 number, since 2×12981468² = 337037022870048, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540883 + ... + 540906.

Almost surely, 2^12981468 is an apocalyptic number.

It is an amenable number.

12981468 is an abundant number, since it is smaller than the sum of its proper divisors (17308652).

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

12981468 is a wasteful number, since it uses less digits than its factorization.

12981468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081796 (or 1081794 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 12981468 is about 3602.9804329194. The cubic root of 12981468 is about 235.0216850368.

The spelling of 12981468 in words is "twelve million, nine hundred eighty-one thousand, four hundred sixty-eight".