12012958 has 4 divisors (see below), whose sum is σ = 18019440. Its totient is φ = 6006478.

The previous prime is 12012941. The next prime is 12012967. The reversal of 12012958 is 85921021.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×12012958² = 288622319819528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3003238 + ... + 3003241.

It is an arithmetic number, because the mean of its divisors is an integer number (4504860).

Almost surely, 2^12012958 is an apocalyptic number.

12012958 is a deficient number, since it is larger than the sum of its proper divisors (6006482).

12012958 is an equidigital number, since it uses as much as digits as its factorization.

12012958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006481.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 12012958 is about 3465.9714366971. The cubic root of 12012958 is about 229.0252255730.

Adding to 12012958 its reverse (85921021), we get a palindrome (97933979).

The spelling of 12012958 in words is "twelve million, twelve thousand, nine hundred fifty-eight".