12786545 has 8 divisors (see below), whose sum is σ = 15538560. Its totient is φ = 10099440.

The previous prime is 12786511. The next prime is 12786559. The reversal of 12786545 is 54568721.

12786545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a de Polignac number, because none of the positive numbers 2^k-12786545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12786499 and 12786508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15791 + ... + 16580.

It is an arithmetic number, because the mean of its divisors is an integer number (1942320).

Almost surely, 2^12786545 is an apocalyptic number.

It is an amenable number.

12786545 is a deficient number, since it is larger than the sum of its proper divisors (2752015).

12786545 is an equidigital number, since it uses as much as digits as its factorization.

12786545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32455.

The product of its digits is 67200, while the sum is 38.

The square root of 12786545 is about 3575.8278761708. The cubic root of 12786545 is about 233.8394264486.

It can be divided in two parts, 12786 and 545, that added together give a palindrome (13331).

The spelling of 12786545 in words is "twelve million, seven hundred eighty-six thousand, five hundred forty-five".