12544507 has 2 divisors, whose sum is σ = 12544508. Its totient is φ = 12544506.

The previous prime is 12544481. The next prime is 12544513. The reversal of 12544507 is 70544521.

It is a strong prime.

It is an emirp because it is prime and its reverse (70544521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12544507 - 2⁷ = 12544379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12544547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6272253 + 6272254.

It is an arithmetic number, because the mean of its divisors is an integer number (6272254).

Almost surely, 2^12544507 is an apocalyptic number.

12544507 is a deficient number, since it is larger than the sum of its proper divisors (1).

12544507 is an equidigital number, since it uses as much as digits as its factorization.

12544507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 12544507 is about 3541.8225534321. The cubic root of 12544507 is about 232.3545596728.

The spelling of 12544507 in words is "twelve million, five hundred forty-four thousand, five hundred seven".