12994681 has 8 divisors (see below), whose sum is σ = 15724800. Its totient is φ = 10483008.

The previous prime is 12994679. The next prime is 12994687. The reversal of 12994681 is 18649921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12994681 - 2¹ = 12994679 is a prime.

It is a super-2 number, since 2×12994681² = 337723468583522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12994687) 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 in 7 ways as a sum of consecutive naturals, for example, 54481 + ... + 54718.

It is an arithmetic number, because the mean of its divisors is an integer number (1965600).

Almost surely, 2^12994681 is an apocalyptic number.

It is an amenable number.

12994681 is a deficient number, since it is larger than the sum of its proper divisors (2730119).

12994681 is a wasteful number, since it uses less digits than its factorization.

12994681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109223.

The product of its digits is 31104, while the sum is 40.

The square root of 12994681 is about 3604.8135874134. The cubic root of 12994681 is about 235.1013958097.

The spelling of 12994681 in words is "twelve million, nine hundred ninety-four thousand, six hundred eighty-one".