11658671 has 2 divisors, whose sum is σ = 11658672. Its totient is φ = 11658670.

The previous prime is 11658629. The next prime is 11658683. The reversal of 11658671 is 17685611.

It is a strong prime.

It is an emirp because it is prime and its reverse (17685611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11658671 - 2¹⁴ = 11642287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11658601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5829335 + 5829336.

It is an arithmetic number, because the mean of its divisors is an integer number (5829336).

Almost surely, 2^11658671 is an apocalyptic number.

11658671 is a deficient number, since it is larger than the sum of its proper divisors (1).

11658671 is an equidigital number, since it uses as much as digits as its factorization.

11658671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 35.

The square root of 11658671 is about 3414.4796089595. The cubic root of 11658671 is about 226.7512460693.

The spelling of 11658671 in words is "eleven million, six hundred fifty-eight thousand, six hundred seventy-one".