12049759 has 4 divisors (see below), whose sum is σ = 12100000. Its totient is φ = 11999520.

The previous prime is 12049733. The next prime is 12049783. The reversal of 12049759 is 95794021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12049759 - 2¹³ = 12041567 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 (12049789) 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, 24759 + ... + 25240.

It is an arithmetic number, because the mean of its divisors is an integer number (3025000).

Almost surely, 2^12049759 is an apocalyptic number.

12049759 is a deficient number, since it is larger than the sum of its proper divisors (50241).

12049759 is an equidigital number, since it uses as much as digits as its factorization.

12049759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50240.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 12049759 is about 3471.2762782585. The cubic root of 12049759 is about 229.2588556623.

The spelling of 12049759 in words is "twelve million, forty-nine thousand, seven hundred fifty-nine".