12197051 has 2 divisors, whose sum is σ = 12197052. Its totient is φ = 12197050.

The previous prime is 12197039. The next prime is 12197083. The reversal of 12197051 is 15079121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12197051 - 2²² = 8002747 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12197051.

It is not a weakly prime, because it can be changed into another prime (12197651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098525 + 6098526.

It is an arithmetic number, because the mean of its divisors is an integer number (6098526).

Almost surely, 2^12197051 is an apocalyptic number.

12197051 is a deficient number, since it is larger than the sum of its proper divisors (1).

12197051 is an equidigital number, since it uses as much as digits as its factorization.

12197051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 26.

The square root of 12197051 is about 3492.4276656790. The cubic root of 12197051 is about 230.1892015950.

The spelling of 12197051 in words is "twelve million, one hundred ninety-seven thousand, fifty-one".