11924657 has 2 divisors, whose sum is σ = 11924658. Its totient is φ = 11924656.

The previous prime is 11924641. The next prime is 11924659. The reversal of 11924657 is 75642911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6145441 + 5779216 = 2479^2 + 2404^2 .

It is a cyclic number.

It is not a de Polignac number, because 11924657 - 2⁴ = 11924641 is a prime.

Together with 11924659, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11924659) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5962328 + 5962329.

It is an arithmetic number, because the mean of its divisors is an integer number (5962329).

Almost surely, 2^11924657 is an apocalyptic number.

It is an amenable number.

11924657 is a deficient number, since it is larger than the sum of its proper divisors (1).

11924657 is an equidigital number, since it uses as much as digits as its factorization.

11924657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 11924657 is about 3453.2096663829. The cubic root of 11924657 is about 228.4626966287.

The spelling of 11924657 in words is "eleven million, nine hundred twenty-four thousand, six hundred fifty-seven".