12786495 has 16 divisors (see below), whose sum is σ = 20570112. Its totient is φ = 6782240.

The previous prime is 12786493. The next prime is 12786509. The reversal of 12786495 is 59468721.

It is not a de Polignac number, because 12786495 - 2¹ = 12786493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12786493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 634 + ... + 5096.

It is an arithmetic number, because the mean of its divisors is an integer number (1285632).

Almost surely, 2^12786495 is an apocalyptic number.

12786495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12786495 is a deficient number, since it is larger than the sum of its proper divisors (7783617).

12786495 is a wasteful number, since it uses less digits than its factorization.

12786495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4662.

The product of its digits is 120960, while the sum is 42.

The square root of 12786495 is about 3575.8208847760. The cubic root of 12786495 is about 233.8391216494.

The spelling of 12786495 in words is "twelve million, seven hundred eighty-six thousand, four hundred ninety-five".