11947007 has 2 divisors, whose sum is σ = 11947008. Its totient is φ = 11947006.

The previous prime is 11946989. The next prime is 11947009. The reversal of 11947007 is 70074911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11947007 - 2⁶ = 11946943 is a prime.

Together with 11947009, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11947009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5973503 + 5973504.

It is an arithmetic number, because the mean of its divisors is an integer number (5973504).

Almost surely, 2^11947007 is an apocalyptic number.

11947007 is a deficient number, since it is larger than the sum of its proper divisors (1).

11947007 is an equidigital number, since it uses as much as digits as its factorization.

11947007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 11947007 is about 3456.4442712128. Note that the first 3 decimals coincide. The cubic root of 11947007 is about 228.6053409690.

The spelling of 11947007 in words is "eleven million, nine hundred forty-seven thousand, seven".