12806657510 has 8 divisors (see below), whose sum is σ = 23051983536. Its totient is φ = 5122663000.

The previous prime is 12806657497. The next prime is 12806657527. The reversal of 12806657510 is 1575660821.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 640332866 + ... + 640332885.

It is an arithmetic number, because the mean of its divisors is an integer number (2881497942).

Almost surely, 2^12806657510 is an apocalyptic number.

12806657510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12806657510 is a deficient number, since it is larger than the sum of its proper divisors (10245326026).

12806657510 is a wasteful number, since it uses less digits than its factorization.

12806657510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280665758.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 12806657510 in words is "twelve billion, eight hundred six million, six hundred fifty-seven thousand, five hundred ten".