12886730 has 32 divisors (see below), whose sum is σ = 24665040. Its totient is φ = 4838400.

The previous prime is 12886729. The next prime is 12886733. The reversal of 12886730 is 3768821.

It can be written as a sum of positive squares in 8 ways, for example, as 3892729 + 8994001 = 1973^2 + 2999^2 .

It is not an unprimeable number, because it can be changed into a prime (12886733) 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, 10130 + ... + 11330.

Almost surely, 2^12886730 is an apocalyptic number.

12886730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12886730 is a deficient number, since it is larger than the sum of its proper divisors (11778310).

12886730 is a wasteful number, since it uses less digits than its factorization.

12886730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12886730 is about 3589.8091871296. The cubic root of 12886730 is about 234.4485636932.

The spelling of 12886730 in words is "twelve million, eight hundred eighty-six thousand, seven hundred thirty".