12696487 has 2 divisors, whose sum is σ = 12696488. Its totient is φ = 12696486.

The previous prime is 12696469. The next prime is 12696491. The reversal of 12696487 is 78469621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12696487 - 2¹¹ = 12694439 is a prime.

It is a super-2 number, since 2×12696487² = 322401564282338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12396487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6348243 + 6348244.

It is an arithmetic number, because the mean of its divisors is an integer number (6348244).

Almost surely, 2^12696487 is an apocalyptic number.

12696487 is a deficient number, since it is larger than the sum of its proper divisors (1).

12696487 is an equidigital number, since it uses as much as digits as its factorization.

12696487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 12696487 is about 3563.2130163660. The cubic root of 12696487 is about 233.2891410638.

The spelling of 12696487 in words is "twelve million, six hundred ninety-six thousand, four hundred eighty-seven".