12470805 has 24 divisors (see below), whose sum is σ = 21846552. Its totient is φ = 6580224.

The previous prime is 12470803. The next prime is 12470831. The reversal of 12470805 is 50807421.

12470805 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1758276 + 10712529 = 1326^2 + 3273^2 .

It is not a de Polignac number, because 12470805 - 2¹ = 12470803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12470803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2937 + ... + 5793.

It is an arithmetic number, because the mean of its divisors is an integer number (910273).

Almost surely, 2^12470805 is an apocalyptic number.

12470805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12470805 is a deficient number, since it is larger than the sum of its proper divisors (9375747).

12470805 is a wasteful number, since it uses less digits than its factorization.

12470805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965 (or 2962 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 12470805 is about 3531.4026958137. The cubic root of 12470805 is about 231.8986192499.

The spelling of 12470805 in words is "twelve million, four hundred seventy thousand, eight hundred five".