12956210 has 16 divisors (see below), whose sum is σ = 24693336. Its totient is φ = 4877568.

The previous prime is 12956191. The next prime is 12956249. The reversal of 12956210 is 1265921.

It can be written as a sum of positive squares in 4 ways, for example, as 12201049 + 755161 = 3493^2 + 869^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12956210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37937 + ... + 38276.

Almost surely, 2^12956210 is an apocalyptic number.

12956210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12956210 is a deficient number, since it is larger than the sum of its proper divisors (11737126).

12956210 is a wasteful number, since it uses less digits than its factorization.

12956210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76237.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 12956210 is about 3599.4735726214. The cubic root of 12956210 is about 234.8691590952.

The spelling of 12956210 in words is "twelve million, nine hundred fifty-six thousand, two hundred ten".