12047173 has 2 divisors, whose sum is σ = 12047174. Its totient is φ = 12047172.

The previous prime is 12047149. The next prime is 12047177. The reversal of 12047173 is 37174021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11847364 + 199809 = 3442^2 + 447^2 .

It is a cyclic number.

It is not a de Polignac number, because 12047173 - 2¹³ = 12038981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12047177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6023586 + 6023587.

It is an arithmetic number, because the mean of its divisors is an integer number (6023587).

Almost surely, 2^12047173 is an apocalyptic number.

It is an amenable number.

12047173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12047173 is an equidigital number, since it uses as much as digits as its factorization.

12047173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 12047173 is about 3470.9037727946. The cubic root of 12047173 is about 229.2424540668.

The spelling of 12047173 in words is "twelve million, forty-seven thousand, one hundred seventy-three".