11973458 has 16 divisors (see below), whose sum is σ = 21606720. Its totient is φ = 4861296.

The previous prime is 11973443. The next prime is 11973461. The reversal of 11973458 is 85437911.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22241 + ... + 22772.

It is an arithmetic number, because the mean of its divisors is an integer number (1350420).

Almost surely, 2^11973458 is an apocalyptic number.

11973458 is a deficient number, since it is larger than the sum of its proper divisors (9633262).

11973458 is a wasteful number, since it uses less digits than its factorization.

11973458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45041.

The product of its digits is 30240, while the sum is 38.

The square root of 11973458 is about 3460.2684866929. The cubic root of 11973458 is about 228.7739294345.

The spelling of 11973458 in words is "eleven million, nine hundred seventy-three thousand, four hundred fifty-eight".