12310605 has 12 divisors (see below), whose sum is σ = 21338460. Its totient is φ = 6565632.

The previous prime is 12310591. The next prime is 12310607. The reversal of 12310605 is 50601321.

It can be written as a sum of positive squares in 2 ways, for example, as 1929321 + 10381284 = 1389^2 + 3222^2 .

It is not a de Polignac number, because 12310605 - 2⁶ = 12310541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136740 + ... + 136829.

It is an arithmetic number, because the mean of its divisors is an integer number (1778205).

Almost surely, 2^12310605 is an apocalyptic number.

12310605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12310605 is a deficient number, since it is larger than the sum of its proper divisors (9027855).

12310605 is a wasteful number, since it uses less digits than its factorization.

12310605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273580 (or 273577 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 12310605 is about 3508.6471751945. The cubic root of 12310605 is about 230.9013465286.

Adding to 12310605 its reverse (50601321), we get a palindrome (62911926).

The spelling of 12310605 in words is "twelve million, three hundred ten thousand, six hundred five".