11658242 has 4 divisors (see below), whose sum is σ = 17487366. Its totient is φ = 5829120.

The previous prime is 11658239. The next prime is 11658247. The reversal of 11658242 is 24285611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24285611 = 7 ⋅3469373.

It can be written as a sum of positive squares in only one way, i.e., 9616201 + 2042041 = 3101^2 + 1429^2 .

It is not an unprimeable number, because it can be changed into a prime (11658247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2914559 + ... + 2914562.

Almost surely, 2^11658242 is an apocalyptic number.

11658242 is a deficient number, since it is larger than the sum of its proper divisors (5829124).

11658242 is an equidigital number, since it uses as much as digits as its factorization.

11658242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5829123.

The product of its digits is 3840, while the sum is 29.

The square root of 11658242 is about 3414.4167876813. The cubic root of 11658242 is about 226.7484648067.

The spelling of 11658242 in words is "eleven million, six hundred fifty-eight thousand, two hundred forty-two".