12651923 has 2 divisors, whose sum is σ = 12651924. Its totient is φ = 12651922.

The previous prime is 12651907. The next prime is 12651941. The reversal of 12651923 is 32915621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12651923 - 2⁴ = 12651907 is a prime.

It is not a weakly prime, because it can be changed into another prime (12651953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325961 + 6325962.

It is an arithmetic number, because the mean of its divisors is an integer number (6325962).

Almost surely, 2^12651923 is an apocalyptic number.

12651923 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651923 is an equidigital number, since it uses as much as digits as its factorization.

12651923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 29.

The square root of 12651923 is about 3556.9541745713. The cubic root of 12651923 is about 233.0158769044.

The spelling of 12651923 in words is "twelve million, six hundred fifty-one thousand, nine hundred twenty-three".