12949347 has 8 divisors (see below), whose sum is σ = 17369856. Its totient is φ = 8580872.

The previous prime is 12949337. The next prime is 12949357. The reversal of 12949347 is 74394921.

It is an interprime number because it is at equal distance from previous prime (12949337) and next prime (12949357).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12949347 - 2¹⁶ = 12883811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12949337) 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, 12423 + ... + 13424.

It is an arithmetic number, because the mean of its divisors is an integer number (2171232).

Almost surely, 2^12949347 is an apocalyptic number.

12949347 is a deficient number, since it is larger than the sum of its proper divisors (4420509).

12949347 is a wasteful number, since it uses less digits than its factorization.

12949347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26017.

The product of its digits is 54432, while the sum is 39.

The square root of 12949347 is about 3598.5201124907. The cubic root of 12949347 is about 234.8276811287.

The spelling of 12949347 in words is "twelve million, nine hundred forty-nine thousand, three hundred forty-seven".