11949071 has 2 divisors, whose sum is σ = 11949072. Its totient is φ = 11949070.

The previous prime is 11949059. The next prime is 11949097. The reversal of 11949071 is 17094911.

It is a happy number.

11949071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11949071 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11949001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5974535 + 5974536.

It is an arithmetic number, because the mean of its divisors is an integer number (5974536).

Almost surely, 2^11949071 is an apocalyptic number.

11949071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11949071 is an equidigital number, since it uses as much as digits as its factorization.

11949071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 11949071 is about 3456.7428310477. The cubic root of 11949071 is about 228.6185050542.

The spelling of 11949071 in words is "eleven million, nine hundred forty-nine thousand, seventy-one".