11995427 has 2 divisors, whose sum is σ = 11995428. Its totient is φ = 11995426.

The previous prime is 11995391. The next prime is 11995447. The reversal of 11995427 is 72459911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11995427 - 2¹⁰ = 11994403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11995447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5997713 + 5997714.

It is an arithmetic number, because the mean of its divisors is an integer number (5997714).

Almost surely, 2^11995427 is an apocalyptic number.

11995427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11995427 is an equidigital number, since it uses as much as digits as its factorization.

11995427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 38.

The square root of 11995427 is about 3463.4414965465. The cubic root of 11995427 is about 228.9137627144.

The spelling of 11995427 in words is "eleven million, nine hundred ninety-five thousand, four hundred twenty-seven".