12071149 has 2 divisors, whose sum is σ = 12071150. Its totient is φ = 12071148.

The previous prime is 12071131. The next prime is 12071167. The reversal of 12071149 is 94117021.

12071149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12071131) and next prime (12071167).

It can be written as a sum of positive squares in only one way, i.e., 10125124 + 1946025 = 3182^2 + 1395^2 .

It is a cyclic number.

It is not a de Polignac number, because 12071149 - 2⁵ = 12071117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12071249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6035574 + 6035575.

It is an arithmetic number, because the mean of its divisors is an integer number (6035575).

Almost surely, 2^12071149 is an apocalyptic number.

It is an amenable number.

12071149 is a deficient number, since it is larger than the sum of its proper divisors (1).

12071149 is an equidigital number, since it uses as much as digits as its factorization.

12071149 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 12071149 is about 3474.3559115324. The cubic root of 12071149 is about 229.3944309356.

The spelling of 12071149 in words is "twelve million, seventy-one thousand, one hundred forty-nine".