11917007 has 2 divisors, whose sum is σ = 11917008. Its totient is φ = 11917006.

The previous prime is 11917001. The next prime is 11917039. The reversal of 11917007 is 70071911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11917007 - 2⁶ = 11916943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11917001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5958503 + 5958504.

It is an arithmetic number, because the mean of its divisors is an integer number (5958504).

Almost surely, 2^11917007 is an apocalyptic number.

11917007 is a deficient number, since it is larger than the sum of its proper divisors (1).

11917007 is an equidigital number, since it uses as much as digits as its factorization.

11917007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441, while the sum is 26.

The square root of 11917007 is about 3452.1018235272. The cubic root of 11917007 is about 228.4138311140.

Adding to 11917007 its reverse (70071911), we get a palindrome (81988918).

The spelling of 11917007 in words is "eleven million, nine hundred seventeen thousand, seven".