12949210 has 16 divisors (see below), whose sum is σ = 23541192. Its totient is φ = 5128000.

The previous prime is 12949199. The next prime is 12949217. The reversal of 12949210 is 1294921.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10556001 + 2393209 = 3249^2 + 1547^2 .

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12949217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5401 + ... + 7420.

Almost surely, 2^12949210 is an apocalyptic number.

12949210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12949210 is a deficient number, since it is larger than the sum of its proper divisors (10591982).

12949210 is a wasteful number, since it uses less digits than its factorization.

12949210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12929.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 12949210 is about 3598.5010768374. The cubic root of 12949210 is about 234.8268529915.

The spelling of 12949210 in words is "twelve million, nine hundred forty-nine thousand, two hundred ten".