12999495 has 16 divisors (see below), whose sum is σ = 21242880. Its totient is φ = 6785184.

The previous prime is 12999479. The next prime is 12999521. The reversal of 12999495 is 59499921.

It is not a de Polignac number, because 12999495 - 2⁴ = 12999479 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8515 + ... + 9924.

It is an arithmetic number, because the mean of its divisors is an integer number (1327680).

Almost surely, 2^12999495 is an apocalyptic number.

12999495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12999495 is a deficient number, since it is larger than the sum of its proper divisors (8243385).

12999495 is a wasteful number, since it uses less digits than its factorization.

12999495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18494.

The product of its digits is 262440, while the sum is 48.

The square root of 12999495 is about 3605.4812438841. The cubic root of 12999495 is about 235.1304240557.

The spelling of 12999495 in words is "twelve million, nine hundred ninety-nine thousand, four hundred ninety-five".