12024991 has 8 divisors (see below), whose sum is σ = 13333968. Its totient is φ = 10752000.

The previous prime is 12024983. The next prime is 12025003. The reversal of 12024991 is 19942021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12024991 - 2³ = 12024983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8290 + ... + 9631.

It is an arithmetic number, because the mean of its divisors is an integer number (1666746).

Almost surely, 2^12024991 is an apocalyptic number.

12024991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12024991 is a deficient number, since it is larger than the sum of its proper divisors (1308977).

12024991 is a wasteful number, since it uses less digits than its factorization.

12024991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17993.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 12024991 is about 3467.7068791926. The cubic root of 12024991 is about 229.1016691628.

The spelling of 12024991 in words is "twelve million, twenty-four thousand, nine hundred ninety-one".