12606806813415 has 32 divisors (see below), whose sum is σ = 20232296150976. Its totient is φ = 6703164948480.

The previous prime is 12606806813347. The next prime is 12606806813453. The reversal of 12606806813415 is 51431860860621.

It is a happy number.

It is not a de Polignac number, because 12606806813415 - 2²¹ = 12606804716263 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71090899 + ... + 71268011.

It is an arithmetic number, because the mean of its divisors is an integer number (632259254718).

Almost surely, 2^{12606806813415} is an apocalyptic number.

12606806813415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12606806813415 is a deficient number, since it is larger than the sum of its proper divisors (7625489337561).

12606806813415 is a wasteful number, since it uses less digits than its factorization.

12606806813415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191539.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The spelling of 12606806813415 in words is "twelve trillion, six hundred six billion, eight hundred six million, eight hundred thirteen thousand, four hundred fifteen".