12031297 has 2 divisors, whose sum is σ = 12031298. Its totient is φ = 12031296.

The previous prime is 12031289. The next prime is 12031301. The reversal of 12031297 is 79213021.

12031297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10246401 + 1784896 = 3201^2 + 1336^2 .

It is a cyclic number.

It is not a de Polignac number, because 12031297 - 2³ = 12031289 is a prime.

It is not a weakly prime, because it can be changed into another prime (12031247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6015648 + 6015649.

It is an arithmetic number, because the mean of its divisors is an integer number (6015649).

Almost surely, 2^12031297 is an apocalyptic number.

It is an amenable number.

12031297 is a deficient number, since it is larger than the sum of its proper divisors (1).

12031297 is an equidigital number, since it uses as much as digits as its factorization.

12031297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 12031297 is about 3468.6160064210. The cubic root of 12031297 is about 229.1417097377.

It can be divided in two parts, 120312 and 97, that added together give a square (120409 = 347²).

The spelling of 12031297 in words is "twelve million, thirty-one thousand, two hundred ninety-seven".