11895749 has 2 divisors, whose sum is σ = 11895750. Its totient is φ = 11895748.

The previous prime is 11895743. The next prime is 11895773. The reversal of 11895749 is 94759811.

11895749 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6466849 + 5428900 = 2543^2 + 2330^2 .

It is a cyclic number.

It is not a de Polignac number, because 11895749 - 2⁸ = 11895493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11895743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5947874 + 5947875.

It is an arithmetic number, because the mean of its divisors is an integer number (5947875).

Almost surely, 2^11895749 is an apocalyptic number.

It is an amenable number.

11895749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11895749 is an equidigital number, since it uses as much as digits as its factorization.

11895749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 44.

The square root of 11895749 is about 3449.0214554276. The cubic root of 11895749 is about 228.2779325813.

The spelling of 11895749 in words is "eleven million, eight hundred ninety-five thousand, seven hundred forty-nine".