12460905 has 32 divisors (see below), whose sum is σ = 22302720. Its totient is φ = 6600960.

The previous prime is 12460901. The next prime is 12460909. The reversal of 12460905 is 50906421.

It is an interprime number because it is at equal distance from previous prime (12460901) and next prime (12460909).

It is not a de Polignac number, because 12460905 - 2² = 12460901 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12460901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32344 + ... + 32726.

It is an arithmetic number, because the mean of its divisors is an integer number (696960).

Almost surely, 2^12460905 is an apocalyptic number.

12460905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12460905 is a deficient number, since it is larger than the sum of its proper divisors (9841815).

12460905 is a wasteful number, since it uses less digits than its factorization.

12460905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638 (or 632 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 12460905 is about 3530.0007082152. Note that the first 3 decimals coincide. The cubic root of 12460905 is about 231.8372384460.

The spelling of 12460905 in words is "twelve million, four hundred sixty thousand, nine hundred five".