12949443 has 32 divisors (see below), whose sum is σ = 20966400. Its totient is φ = 7851168.

The previous prime is 12949439. The next prime is 12949463. The reversal of 12949443 is 34494921.

12949443 is a `hidden beast` number, since 129 + 494 + 43 = 666.

It is not a de Polignac number, because 12949443 - 2² = 12949439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12949398 and 12949407.

It is not an unprimeable number, because it can be changed into a prime (12949463) 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 31 ways as a sum of consecutive naturals, for example, 27496 + ... + 27962.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^12949443 is an apocalyptic number.

12949443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12949443 is a deficient number, since it is larger than the sum of its proper divisors (8016957).

12949443 is a wasteful number, since it uses less digits than its factorization.

12949443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 562 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 12949443 is about 3598.5334512826. The cubic root of 12949443 is about 234.8282614257.

The spelling of 12949443 in words is "twelve million, nine hundred forty-nine thousand, four hundred forty-three".