12148397 has 2 divisors, whose sum is σ = 12148398. Its totient is φ = 12148396.

The previous prime is 12148369. The next prime is 12148453. The reversal of 12148397 is 79384121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8031556 + 4116841 = 2834^2 + 2029^2 .

It is a cyclic number.

It is not a de Polignac number, because 12148397 - 2⁸ = 12148141 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12148327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6074198 + 6074199.

It is an arithmetic number, because the mean of its divisors is an integer number (6074199).

Almost surely, 2^12148397 is an apocalyptic number.

It is an amenable number.

12148397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12148397 is an equidigital number, since it uses as much as digits as its factorization.

12148397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 12148397 is about 3485.4550635462. The cubic root of 12148397 is about 229.8827190346.

The spelling of 12148397 in words is "twelve million, one hundred forty-eight thousand, three hundred ninety-seven".