12145349 has 2 divisors, whose sum is σ = 12145350. Its totient is φ = 12145348.

The previous prime is 12145319. The next prime is 12145373. The reversal of 12145349 is 94354121.

12145349 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., 12124324 + 21025 = 3482^2 + 145^2 .

It is an emirp because it is prime and its reverse (94354121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12145349 - 2⁸ = 12145093 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12145319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072674 + 6072675.

It is an arithmetic number, because the mean of its divisors is an integer number (6072675).

Almost surely, 2^12145349 is an apocalyptic number.

It is an amenable number.

12145349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12145349 is an equidigital number, since it uses as much as digits as its factorization.

12145349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 12145349 is about 3485.0177904854. The cubic root of 12145349 is about 229.8634917753.

The spelling of 12145349 in words is "twelve million, one hundred forty-five thousand, three hundred forty-nine".