12054197 has 2 divisors, whose sum is σ = 12054198. Its totient is φ = 12054196.

The previous prime is 12054191. The next prime is 12054199. The reversal of 12054197 is 79145021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7187761 + 4866436 = 2681^2 + 2206^2 .

It is an emirp because it is prime and its reverse (79145021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12054197 - 2⁴ = 12054181 is a prime.

Together with 12054199, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₇₉₁₃₆₃ and since 12054197 and 791363 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12054191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6027098 + 6027099.

It is an arithmetic number, because the mean of its divisors is an integer number (6027099).

Almost surely, 2^12054197 is an apocalyptic number.

It is an amenable number.

12054197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12054197 is an equidigital number, since it uses as much as digits as its factorization.

12054197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 12054197 is about 3471.9154655608. The cubic root of 12054197 is about 229.2869980209.

The spelling of 12054197 in words is "twelve million, fifty-four thousand, one hundred ninety-seven".