12654539 has 2 divisors, whose sum is σ = 12654540. Its totient is φ = 12654538.

The previous prime is 12654517. The next prime is 12654557. The reversal of 12654539 is 93545621.

12654539 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-12654539 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12654499 and 12654508.

It is not a weakly prime, because it can be changed into another prime (12653539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327269 + 6327270.

It is an arithmetic number, because the mean of its divisors is an integer number (6327270).

Almost surely, 2^12654539 is an apocalyptic number.

12654539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12654539 is an equidigital number, since it uses as much as digits as its factorization.

12654539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 35.

The square root of 12654539 is about 3557.3218859136. The cubic root of 12654539 is about 233.0319357946.

The spelling of 12654539 in words is "twelve million, six hundred fifty-four thousand, five hundred thirty-nine".