11748549 has 4 divisors (see below), whose sum is σ = 15664736. Its totient is φ = 7832364.

The previous prime is 11748521. The next prime is 11748553. The reversal of 11748549 is 94584711.

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 not a de Polignac number, because 11748549 - 2⁸ = 11748293 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 (11748049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1958089 + ... + 1958094.

It is an arithmetic number, because the mean of its divisors is an integer number (3916184).

Almost surely, 2^11748549 is an apocalyptic number.

It is an amenable number.

11748549 is a deficient number, since it is larger than the sum of its proper divisors (3916187).

11748549 is an equidigital number, since it uses as much as digits as its factorization.

11748549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916186.

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

The square root of 11748549 is about 3427.6156435633. The cubic root of 11748549 is about 227.3324387058.

The spelling of 11748549 in words is "eleven million, seven hundred forty-eight thousand, five hundred forty-nine".