12048749 has 4 divisors (see below), whose sum is σ = 12055836. Its totient is φ = 12041664.

The previous prime is 12048727. The next prime is 12048787. The reversal of 12048749 is 94784021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94784021 = 89 ⋅1064989.

It can be written as a sum of positive squares in 2 ways, for example, as 2788900 + 9259849 = 1670^2 + 3043^2 .

It is a cyclic number.

It is not a de Polignac number, because 12048749 - 2⁸ = 12048493 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 (12048709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707 + ... + 4959.

It is an arithmetic number, because the mean of its divisors is an integer number (3013959).

Almost surely, 2^12048749 is an apocalyptic number.

It is an amenable number.

12048749 is a deficient number, since it is larger than the sum of its proper divisors (7087).

12048749 is an equidigital number, since it uses as much as digits as its factorization.

12048749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12048749 is about 3471.1307955766. The cubic root of 12048749 is about 229.2524500594.

The spelling of 12048749 in words is "twelve million, forty-eight thousand, seven hundred forty-nine".