12370905 has 12 divisors (see below), whose sum is σ = 21442980. Its totient is φ = 6597792.

The previous prime is 12370877. The next prime is 12370931. The reversal of 12370905 is 50907321.

12370905 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4769856 + 7601049 = 2184^2 + 2757^2 .

It is not a de Polignac number, because 12370905 - 2⁵ = 12370873 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137410 + ... + 137499.

It is an arithmetic number, because the mean of its divisors is an integer number (1786915).

Almost surely, 2^12370905 is an apocalyptic number.

12370905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12370905 is a deficient number, since it is larger than the sum of its proper divisors (9072075).

12370905 is a wasteful number, since it uses less digits than its factorization.

12370905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274920 (or 274917 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 12370905 is about 3517.2297337535. The cubic root of 12370905 is about 231.2777341950.

The spelling of 12370905 in words is "twelve million, three hundred seventy thousand, nine hundred five".