11657249 has 2 divisors, whose sum is σ = 11657250. Its totient is φ = 11657248.

The previous prime is 11657237. The next prime is 11657273. The reversal of 11657249 is 94275611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11102224 + 555025 = 3332^2 + 745^2 .

It is an emirp because it is prime and its reverse (94275611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11657249 - 2¹² = 11653153 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11657299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5828624 + 5828625.

It is an arithmetic number, because the mean of its divisors is an integer number (5828625).

Almost surely, 2^11657249 is an apocalyptic number.

It is an amenable number.

11657249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11657249 is an equidigital number, since it uses as much as digits as its factorization.

11657249 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11657249 is about 3414.2713717571. The cubic root of 11657249 is about 226.7420267972.

The spelling of 11657249 in words is "eleven million, six hundred fifty-seven thousand, two hundred forty-nine".