11924749 has 2 divisors, whose sum is σ = 11924750. Its totient is φ = 11924748.

The previous prime is 11924747. The next prime is 11924753. The reversal of 11924749 is 94742911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7590025 + 4334724 = 2755^2 + 2082^2 .

It is a cyclic number.

It is not a de Polignac number, because 11924749 - 2¹ = 11924747 is a prime.

Together with 11924747, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11924743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5962374 + 5962375.

It is an arithmetic number, because the mean of its divisors is an integer number (5962375).

Almost surely, 2^11924749 is an apocalyptic number.

It is an amenable number.

11924749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11924749 is an equidigital number, since it uses as much as digits as its factorization.

11924749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 37.

The square root of 11924749 is about 3453.2229872975. Note that the first 3 decimals coincide. The cubic root of 11924749 is about 228.4632841652.

The spelling of 11924749 in words is "eleven million, nine hundred twenty-four thousand, seven hundred forty-nine".