12495105 has 24 divisors (see below), whose sum is σ = 24752832. Its totient is φ = 5711904.

The previous prime is 12495097. The next prime is 12495151. The reversal of 12495105 is 50159421.

It is not a de Polignac number, because 12495105 - 2³ = 12495097 is a prime.

It is a super-2 number, since 2×12495105² = 312255297922050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19519 + ... + 20148.

It is an arithmetic number, because the mean of its divisors is an integer number (1031368).

Almost surely, 2^12495105 is an apocalyptic number.

12495105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12495105 is a deficient number, since it is larger than the sum of its proper divisors (12257727).

12495105 is a wasteful number, since it uses less digits than its factorization.

12495105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39685 (or 39682 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 12495105 is about 3534.8415806087. The cubic root of 12495105 is about 232.0491436223.

The spelling of 12495105 in words is "twelve million, four hundred ninety-five thousand, one hundred five".