11958243 has 8 divisors (see below), whose sum is σ = 17393856. Its totient is φ = 7247400.

The previous prime is 11958241. The next prime is 11958251. The reversal of 11958243 is 34285911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11958243 - 2¹ = 11958241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 362371 = 11958243 / (1 + 1 + 9 + 5 + 8 + 2 + 4 + 3).

It is a plaindrome in base 9.

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, 181153 + ... + 181218.

It is an arithmetic number, because the mean of its divisors is an integer number (2174232).

Almost surely, 2^11958243 is an apocalyptic number.

11958243 is a deficient number, since it is larger than the sum of its proper divisors (5435613).

11958243 is a wasteful number, since it uses less digits than its factorization.

11958243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362385.

The product of its digits is 8640, while the sum is 33.

The square root of 11958243 is about 3458.0692589941. The cubic root of 11958243 is about 228.6769852669.

The spelling of 11958243 in words is "eleven million, nine hundred fifty-eight thousand, two hundred forty-three".