12535651 has 2 divisors, whose sum is σ = 12535652. Its totient is φ = 12535650.

The previous prime is 12535643. The next prime is 12535673. The reversal of 12535651 is 15653521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12535651 - 2³ = 12535643 is a prime.

It is not a weakly prime, because it can be changed into another prime (12535151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267825 + 6267826.

It is an arithmetic number, because the mean of its divisors is an integer number (6267826).

Almost surely, 2^12535651 is an apocalyptic number.

12535651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535651 is an equidigital number, since it uses as much as digits as its factorization.

12535651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 28.

The square root of 12535651 is about 3540.5721289080. The cubic root of 12535651 is about 232.2998686328.

The spelling of 12535651 in words is "twelve million, five hundred thirty-five thousand, six hundred fifty-one".