12045197 has 8 divisors (see below), whose sum is σ = 12837816. Its totient is φ = 11261952.

The previous prime is 12045181. The next prime is 12045217. The reversal of 12045197 is 79154021.

It can be written as a sum of positive squares in 4 ways, for example, as 32041 + 12013156 = 179^2 + 3466^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12045197 - 2⁴ = 12045181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12045167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413 + ... + 4925.

It is an arithmetic number, because the mean of its divisors is an integer number (1604727).

Almost surely, 2^12045197 is an apocalyptic number.

12045197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12045197 is a deficient number, since it is larger than the sum of its proper divisors (792619).

12045197 is a wasteful number, since it uses less digits than its factorization.

12045197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687.

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

The square root of 12045197 is about 3470.6191090352. The cubic root of 12045197 is about 229.2299197885.

The spelling of 12045197 in words is "twelve million, forty-five thousand, one hundred ninety-seven".