12450105 has 24 divisors (see below), whose sum is σ = 22381632. Its totient is φ = 6639408.

The previous prime is 12450079. The next prime is 12450131. The reversal of 12450105 is 50105421.

It is an interprime number because it is at equal distance from previous prime (12450079) and next prime (12450131).

It is not a de Polignac number, because 12450105 - 2⁷ = 12449977 is a prime.

It is a super-2 number, since 2×12450105² = 310010229022050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3909 + ... + 6338.

It is an arithmetic number, because the mean of its divisors is an integer number (932568).

Almost surely, 2^12450105 is an apocalyptic number.

12450105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12450105 is a deficient number, since it is larger than the sum of its proper divisors (9931527).

12450105 is an equidigital number, since it uses as much as digits as its factorization.

12450105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10267 (or 10255 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 12450105 is about 3528.4706318744. The cubic root of 12450105 is about 231.7702404793.

Adding to 12450105 its reverse (50105421), we get a palindrome (62555526).

The spelling of 12450105 in words is "twelve million, four hundred fifty thousand, one hundred five".