12958723 has 2 divisors, whose sum is σ = 12958724. Its totient is φ = 12958722.

The previous prime is 12958717. The next prime is 12958733. The reversal of 12958723 is 32785921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12958723 - 2⁵ = 12958691 is a prime.

It is not a weakly prime, because it can be changed into another prime (12958733) 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 as a sum of consecutive naturals, namely, 6479361 + 6479362.

It is an arithmetic number, because the mean of its divisors is an integer number (6479362).

Almost surely, 2^12958723 is an apocalyptic number.

12958723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12958723 is an equidigital number, since it uses as much as digits as its factorization.

12958723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 12958723 is about 3599.8226345197. The cubic root of 12958723 is about 234.8843432692.

The spelling of 12958723 in words is "twelve million, nine hundred fifty-eight thousand, seven hundred twenty-three".