12974161 has 8 divisors (see below), whose sum is σ = 13451240. Its totient is φ = 12503808.

The previous prime is 12974147. The next prime is 12974173. The reversal of 12974161 is 16147921.

12974161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8643600 + 4330561 = 2940^2 + 2081^2 .

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 12974161 - 2⁷ = 12974033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12975161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2425 + ... + 5641.

It is an arithmetic number, because the mean of its divisors is an integer number (1681405).

Almost surely, 2^12974161 is an apocalyptic number.

It is an amenable number.

12974161 is a deficient number, since it is larger than the sum of its proper divisors (477079).

12974161 is a wasteful number, since it uses less digits than its factorization.

12974161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363.

The product of its digits is 3024, while the sum is 31.

The square root of 12974161 is about 3601.9662685816. The cubic root of 12974161 is about 234.9775804778.

The spelling of 12974161 in words is "twelve million, nine hundred seventy-four thousand, one hundred sixty-one".