12958787 has 2 divisors, whose sum is σ = 12958788. Its totient is φ = 12958786.

The previous prime is 12958733. The next prime is 12958807. The reversal of 12958787 is 78785921.

12958787 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 not a de Polignac number, because 12958787 - 2⁶ = 12958723 is a prime.

It is a super-2 number, since 2×12958787² = 335860321022738, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12958717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6479393 + 6479394.

It is an arithmetic number, because the mean of its divisors is an integer number (6479394).

Almost surely, 2^12958787 is an apocalyptic number.

12958787 is a deficient number, since it is larger than the sum of its proper divisors (1).

12958787 is an equidigital number, since it uses as much as digits as its factorization.

12958787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 282240, while the sum is 47.

The square root of 12958787 is about 3599.8315238355. The cubic root of 12958787 is about 234.8847299476.

The spelling of 12958787 in words is "twelve million, nine hundred fifty-eight thousand, seven hundred eighty-seven".