12495487 has 2 divisors, whose sum is σ = 12495488. Its totient is φ = 12495486.

The previous prime is 12495421. The next prime is 12495523. The reversal of 12495487 is 78459421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12495487 - 2¹⁵ = 12462719 is a prime.

It is a super-2 number, since 2×12495487² = 312274390734338, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12490487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6247743 + 6247744.

It is an arithmetic number, because the mean of its divisors is an integer number (6247744).

Almost surely, 2^12495487 is an apocalyptic number.

12495487 is a deficient number, since it is larger than the sum of its proper divisors (1).

12495487 is an equidigital number, since it uses as much as digits as its factorization.

12495487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 12495487 is about 3534.8956137346. The cubic root of 12495487 is about 232.0515083315.

The spelling of 12495487 in words is "twelve million, four hundred ninety-five thousand, four hundred eighty-seven".