12543151 has 2 divisors, whose sum is σ = 12543152. Its totient is φ = 12543150.

The previous prime is 12543131. The next prime is 12543191. The reversal of 12543151 is 15134521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12543151 - 2⁹ = 12542639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12543121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6271575 + 6271576.

It is an arithmetic number, because the mean of its divisors is an integer number (6271576).

Almost surely, 2^12543151 is an apocalyptic number.

12543151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12543151 is an equidigital number, since it uses as much as digits as its factorization.

12543151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 22.

The square root of 12543151 is about 3541.6311213903. The cubic root of 12543151 is about 232.3461872397.

Adding to 12543151 its reverse (15134521), we get a palindrome (27677672).

The spelling of 12543151 in words is "twelve million, five hundred forty-three thousand, one hundred fifty-one".