12667051 has 2 divisors, whose sum is σ = 12667052. Its totient is φ = 12667050.

The previous prime is 12667037. The next prime is 12667063. The reversal of 12667051 is 15076621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12667051 - 2⁵ = 12667019 is a prime.

It is not a weakly prime, because it can be changed into another prime (12667001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6333525 + 6333526.

It is an arithmetic number, because the mean of its divisors is an integer number (6333526).

Almost surely, 2^12667051 is an apocalyptic number.

12667051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12667051 is an equidigital number, since it uses as much as digits as its factorization.

12667051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12667051 is about 3559.0800777729. The cubic root of 12667051 is about 233.1087128614.

The spelling of 12667051 in words is "twelve million, six hundred sixty-seven thousand, fifty-one".