12923507 has 2 divisors, whose sum is σ = 12923508. Its totient is φ = 12923506.

The previous prime is 12923489. The next prime is 12923509. The reversal of 12923507 is 70532921.

12923507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12923507 is a prime.

Together with 12923509, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₈₄₄₆₀₇ and since 12923507 and 844607 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12923507.

It is not a weakly prime, because it can be changed into another prime (12923509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6461753 + 6461754.

It is an arithmetic number, because the mean of its divisors is an integer number (6461754).

Almost surely, 2^12923507 is an apocalyptic number.

12923507 is a deficient number, since it is larger than the sum of its proper divisors (1).

12923507 is an equidigital number, since it uses as much as digits as its factorization.

12923507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 12923507 is about 3594.9279547718. The cubic root of 12923507 is about 234.6713801226.

The spelling of 12923507 in words is "twelve million, nine hundred twenty-three thousand, five hundred seven".