12886545 has 64 divisors (see below), whose sum is σ = 25214976. Its totient is φ = 5495040.

The previous prime is 12886499. The next prime is 12886553. The reversal of 12886545 is 54568821.

It is not a de Polignac number, because 12886545 - 2¹⁴ = 12870161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120382 + ... + 120488.

It is an arithmetic number, because the mean of its divisors is an integer number (393984).

Almost surely, 2^12886545 is an apocalyptic number.

12886545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12886545 is a deficient number, since it is larger than the sum of its proper divisors (12328431).

12886545 is a wasteful number, since it uses less digits than its factorization.

12886545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190.

The product of its digits is 76800, while the sum is 39.

The square root of 12886545 is about 3589.7834196508. The cubic root of 12886545 is about 234.4474417848.

It can be divided in two parts, 12886 and 545, that added together give a palindrome (13431).

The spelling of 12886545 in words is "twelve million, eight hundred eighty-six thousand, five hundred forty-five".