12672981 has 24 divisors (see below), whose sum is σ = 19799520. Its totient is φ = 7783776.

The previous prime is 12672967. The next prime is 12672991. The reversal of 12672981 is 18927621.

It is not a de Polignac number, because 12672981 - 2⁷ = 12672853 is a prime.

It is a super-2 number, since 2×12672981² = 321208894852722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12672941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5326 + ... + 7328.

It is an arithmetic number, because the mean of its divisors is an integer number (824980).

Almost surely, 2^12672981 is an apocalyptic number.

It is an amenable number.

12672981 is a deficient number, since it is larger than the sum of its proper divisors (7126539).

12672981 is a wasteful number, since it uses less digits than its factorization.

12672981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065 (or 2062 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 12672981 is about 3559.9130607362. The cubic root of 12672981 is about 233.1450833108.

The spelling of 12672981 in words is "twelve million, six hundred seventy-two thousand, nine hundred eighty-one".