12869651 has 2 divisors, whose sum is σ = 12869652. Its totient is φ = 12869650.

The previous prime is 12869609. The next prime is 12869657. The reversal of 12869651 is 15696821.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12869651 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12869657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6434825 + 6434826.

It is an arithmetic number, because the mean of its divisors is an integer number (6434826).

Almost surely, 2^12869651 is an apocalyptic number.

12869651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12869651 is an equidigital number, since it uses as much as digits as its factorization.

12869651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 38.

The square root of 12869651 is about 3587.4295811904. The cubic root of 12869651 is about 234.3449450290.

The spelling of 12869651 in words is "twelve million, eight hundred sixty-nine thousand, six hundred fifty-one".