12810670 has 16 divisors (see below), whose sum is σ = 23451120. Its totient is φ = 5037184.

The previous prime is 12810667. The next prime is 12810709. The reversal of 12810670 is 7601821.

It is a super-2 number, since 2×12810670² = 328226531697800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10267 + ... + 11446.

It is an arithmetic number, because the mean of its divisors is an integer number (1465695).

Almost surely, 2^12810670 is an apocalyptic number.

12810670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12810670 is a deficient number, since it is larger than the sum of its proper divisors (10640450).

12810670 is a wasteful number, since it uses less digits than its factorization.

12810670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21779.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 12810670 is about 3579.1996312025. The cubic root of 12810670 is about 233.9863994823.

The spelling of 12810670 in words is "twelve million, eight hundred ten thousand, six hundred seventy".