11974169 has 2 divisors, whose sum is σ = 11974170. Its totient is φ = 11974168.

The previous prime is 11974121. The next prime is 11974177. The reversal of 11974169 is 96147911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6190144 + 5784025 = 2488^2 + 2405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11974169 is a prime.

It is a super-2 number, since 2×11974169² = 286761446481122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11974189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5987084 + 5987085.

It is an arithmetic number, because the mean of its divisors is an integer number (5987085).

Almost surely, 2^11974169 is an apocalyptic number.

It is an amenable number.

11974169 is a deficient number, since it is larger than the sum of its proper divisors (1).

11974169 is an equidigital number, since it uses as much as digits as its factorization.

11974169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 38.

The square root of 11974169 is about 3460.3712228603. The cubic root of 11974169 is about 228.7784576458.

The spelling of 11974169 in words is "eleven million, nine hundred seventy-four thousand, one hundred sixty-nine".