12675405 has 8 divisors (see below), whose sum is σ = 20280672. Its totient is φ = 6760208.

The previous prime is 12675401. The next prime is 12675431. The reversal of 12675405 is 50457621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12675405 - 2² = 12675401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12675401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 422499 + ... + 422528.

It is an arithmetic number, because the mean of its divisors is an integer number (2535084).

Almost surely, 2^12675405 is an apocalyptic number.

12675405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12675405 is a deficient number, since it is larger than the sum of its proper divisors (7605267).

12675405 is an equidigital number, since it uses as much as digits as its factorization.

12675405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845035.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 12675405 is about 3560.2535022102. The cubic root of 12675405 is about 233.1599471552.

The spelling of 12675405 in words is "twelve million, six hundred seventy-five thousand, four hundred five".