12900523 has 2 divisors, whose sum is σ = 12900524. Its totient is φ = 12900522.

The previous prime is 12900521. The next prime is 12900529. The reversal of 12900523 is 32500921.

12900523 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12900523 - 2¹ = 12900521 is a prime.

Together with 12900521, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12900494 and 12900503.

It is not a weakly prime, because it can be changed into another prime (12900521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6450261 + 6450262.

It is an arithmetic number, because the mean of its divisors is an integer number (6450262).

Almost surely, 2^12900523 is an apocalyptic number.

12900523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12900523 is an equidigital number, since it uses as much as digits as its factorization.

12900523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 12900523 is about 3591.7298060962. The cubic root of 12900523 is about 234.5321793196.

The spelling of 12900523 in words is "twelve million, nine hundred thousand, five hundred twenty-three".