11906057 has 2 divisors, whose sum is σ = 11906058. Its totient is φ = 11906056.

The previous prime is 11906051. The next prime is 11906099. The reversal of 11906057 is 75060911.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10863616 + 1042441 = 3296^2 + 1021^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11906057 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11906051) 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, 5953028 + 5953029.

It is an arithmetic number, because the mean of its divisors is an integer number (5953029).

Almost surely, 2^11906057 is an apocalyptic number.

It is an amenable number.

11906057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11906057 is an equidigital number, since it uses as much as digits as its factorization.

11906057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 11906057 is about 3450.5154687380. The cubic root of 11906057 is about 228.3438499546.

Adding to 11906057 its reverse (75060911), we get a palindrome (86966968).

The spelling of 11906057 in words is "eleven million, nine hundred six thousand, fifty-seven".