12531829 has 2 divisors, whose sum is σ = 12531830. Its totient is φ = 12531828.

The previous prime is 12531809. The next prime is 12531833. The reversal of 12531829 is 92813521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 4831204 = 2775^2 + 2198^2 .

It is an emirp because it is prime and its reverse (92813521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12531829 - 2¹⁷ = 12400757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12531829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12531809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265914 + 6265915.

It is an arithmetic number, because the mean of its divisors is an integer number (6265915).

Almost surely, 2^12531829 is an apocalyptic number.

It is an amenable number.

12531829 is a deficient number, since it is larger than the sum of its proper divisors (1).

12531829 is an equidigital number, since it uses as much as digits as its factorization.

12531829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 31.

The square root of 12531829 is about 3540.0323444850. The cubic root of 12531829 is about 232.2762575643.

The spelling of 12531829 in words is "twelve million, five hundred thirty-one thousand, eight hundred twenty-nine".