12315711 has 16 divisors (see below), whose sum is σ = 17082368. Its totient is φ = 7884000.

The previous prime is 12315707. The next prime is 12315713. The reversal of 12315711 is 11751321.

It is a happy number.

It is not a de Polignac number, because 12315711 - 2² = 12315707 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 (12315713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13605 + ... + 14481.

It is an arithmetic number, because the mean of its divisors is an integer number (1067648).

Almost surely, 2^12315711 is an apocalyptic number.

12315711 is a deficient number, since it is larger than the sum of its proper divisors (4766657).

12315711 is a wasteful number, since it uses less digits than its factorization.

12315711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its digits is 210, while the sum is 21.

The square root of 12315711 is about 3509.3747306322. The cubic root of 12315711 is about 230.9332653312.

The spelling of 12315711 in words is "twelve million, three hundred fifteen thousand, seven hundred eleven".