11958242 has 16 divisors (see below), whose sum is σ = 19073880. Its totient is φ = 5622784.

The previous prime is 11958241. The next prime is 11958251. The reversal of 11958242 is 24285911.

It can be written as a sum of positive squares in 4 ways, for example, as 9916201 + 2042041 = 3149^2 + 1429^2 .

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 11958199 and 11958208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11958241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9218 + ... + 10434.

Almost surely, 2^11958242 is an apocalyptic number.

11958242 is a deficient number, since it is larger than the sum of its proper divisors (7115638).

11958242 is an equidigital number, since it uses as much as digits as its factorization.

11958242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1270 (or 1236 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 11958242 is about 3458.0691144047. The cubic root of 11958242 is about 228.6769788926.

The spelling of 11958242 in words is "eleven million, nine hundred fifty-eight thousand, two hundred forty-two".