12981196 has 6 divisors (see below), whose sum is σ = 22717100. Its totient is φ = 6490596.

The previous prime is 12981187. The next prime is 12981197. The reversal of 12981196 is 69118921.

It is a super-2 number, since 2×12981196² = 337022899180832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12981197) by changing a digit.

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 as a sum of consecutive naturals, namely, 1622646 + ... + 1622653.

Almost surely, 2^12981196 is an apocalyptic number.

It is an amenable number.

12981196 is a deficient number, since it is larger than the sum of its proper divisors (9735904).

12981196 is a wasteful number, since it uses less digits than its factorization.

12981196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3245303 (or 3245301 counting only the distinct ones).

The product of its digits is 7776, while the sum is 37.

The square root of 12981196 is about 3602.9426861942. The cubic root of 12981196 is about 235.0200435598.

The spelling of 12981196 in words is "twelve million, nine hundred eighty-one thousand, one hundred ninety-six".