12609711 has 24 divisors (see below), whose sum is σ = 19700720. Its totient is φ = 7744896.

The previous prime is 12609697. The next prime is 12609713. The reversal of 12609711 is 11790621.

It is not a de Polignac number, because 12609711 - 2⁵ = 12609679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12609713) 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 23 ways as a sum of consecutive naturals, for example, 5331 + ... + 7323.

Almost surely, 2^12609711 is an apocalyptic number.

12609711 is a deficient number, since it is larger than the sum of its proper divisors (7091009).

12609711 is a wasteful number, since it uses less digits than its factorization.

12609711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055 (or 2052 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 12609711 is about 3551.0154885610. The cubic root of 12609711 is about 232.7564426781.

The spelling of 12609711 in words is "twelve million, six hundred nine thousand, seven hundred eleven".