12190147 has 2 divisors, whose sum is σ = 12190148. Its totient is φ = 12190146.

The previous prime is 12190133. The next prime is 12190151. The reversal of 12190147 is 74109121.

It is a strong prime.

It is an emirp because it is prime and its reverse (74109121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12190147 - 2⁷ = 12190019 is a prime.

It is not a weakly prime, because it can be changed into another prime (12190117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6095073 + 6095074.

It is an arithmetic number, because the mean of its divisors is an integer number (6095074).

Almost surely, 2^12190147 is an apocalyptic number.

12190147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12190147 is an equidigital number, since it uses as much as digits as its factorization.

12190147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 12190147 is about 3491.4391015740. The cubic root of 12190147 is about 230.1457614171.

Adding to 12190147 its reverse (74109121), we get a palindrome (86299268).

The spelling of 12190147 in words is "twelve million, one hundred ninety thousand, one hundred forty-seven".