12906530 has 48 divisors (see below), whose sum is σ = 28776384. Its totient is φ = 4080960.

The previous prime is 12906527. The next prime is 12906541. The reversal of 12906530 is 3560921.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 12906530.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11285 + ... + 12375.

It is an arithmetic number, because the mean of its divisors is an integer number (599508).

Almost surely, 2^12906530 is an apocalyptic number.

12906530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12906530 is an abundant number, since it is smaller than the sum of its proper divisors (15869854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12906530 is a wasteful number, since it uses less digits than its factorization.

12906530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 12906530 is about 3592.5659353727. The cubic root of 12906530 is about 234.5685761951.

The spelling of 12906530 in words is "twelve million, nine hundred six thousand, five hundred thirty".