12531097 has 2 divisors, whose sum is σ = 12531098. Its totient is φ = 12531096.

The previous prime is 12531053. The next prime is 12531121. The reversal of 12531097 is 79013521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10830681 + 1700416 = 3291^2 + 1304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12531097 is a prime.

It is not a weakly prime, because it can be changed into another prime (12531007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265548 + 6265549.

It is an arithmetic number, because the mean of its divisors is an integer number (6265549).

Almost surely, 2^12531097 is an apocalyptic number.

It is an amenable number.

12531097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12531097 is an equidigital number, since it uses as much as digits as its factorization.

12531097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 12531097 is about 3539.9289540893. The cubic root of 12531097 is about 232.2717349595.

The spelling of 12531097 in words is "twelve million, five hundred thirty-one thousand, ninety-seven".