12969850 has 12 divisors (see below), whose sum is σ = 24124014. Its totient is φ = 5187920.

The previous prime is 12969839. The next prime is 12969851. The reversal of 12969850 is 5896921.

It can be written as a sum of positive squares in 3 ways, for example, as 6215049 + 6754801 = 2493^2 + 2599^2 .

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 (12969851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129649 + ... + 129748.

Almost surely, 2^12969850 is an apocalyptic number.

12969850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12969850 is a deficient number, since it is larger than the sum of its proper divisors (11154164).

12969850 is a wasteful number, since it uses less digits than its factorization.

12969850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259409 (or 259404 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 12969850 is about 3601.3677957132. The cubic root of 12969850 is about 234.9515518052.

The spelling of 12969850 in words is "twelve million, nine hundred sixty-nine thousand, eight hundred fifty".