12074549 has 4 divisors (see below), whose sum is σ = 12111360. Its totient is φ = 12037740.

The previous prime is 12074537. The next prime is 12074567. The reversal of 12074549 is 94547021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12074549 - 2⁴ = 12074533 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 (12074509) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17909 + ... + 18570.

It is an arithmetic number, because the mean of its divisors is an integer number (3027840).

Almost surely, 2^12074549 is an apocalyptic number.

It is an amenable number.

12074549 is a deficient number, since it is larger than the sum of its proper divisors (36811).

12074549 is an equidigital number, since it uses as much as digits as its factorization.

12074549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36810.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 12074549 is about 3474.8451764071. The cubic root of 12074549 is about 229.4159662468.

The spelling of 12074549 in words is "twelve million, seventy-four thousand, five hundred forty-nine".