11874549 has 4 divisors (see below), whose sum is σ = 15832736. Its totient is φ = 7916364.

The previous prime is 11874523. The next prime is 11874557. The reversal of 11874549 is 94547811.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94547811 = 3 ⋅31515937.

It is not a de Polignac number, because 11874549 - 2⁸ = 11874293 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 (11874589) 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, 1979089 + ... + 1979094.

It is an arithmetic number, because the mean of its divisors is an integer number (3958184).

Almost surely, 2^11874549 is an apocalyptic number.

It is an amenable number.

11874549 is a deficient number, since it is larger than the sum of its proper divisors (3958187).

11874549 is an equidigital number, since it uses as much as digits as its factorization.

11874549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958186.

The product of its digits is 40320, while the sum is 39.

The square root of 11874549 is about 3445.9467494435. The cubic root of 11874549 is about 228.1422434955.

The spelling of 11874549 in words is "eleven million, eight hundred seventy-four thousand, five hundred forty-nine".