12949667 has 8 divisors (see below), whose sum is σ = 13878816. Its totient is φ = 12051072.

The previous prime is 12949639. The next prime is 12949679. The reversal of 12949667 is 76694921.

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 12949667 - 2⁶ = 12949603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12949627) by changing a digit.

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, 6758 + ... + 8459.

It is an arithmetic number, because the mean of its divisors is an integer number (1734852).

Almost surely, 2^12949667 is an apocalyptic number.

12949667 is a deficient number, since it is larger than the sum of its proper divisors (929149).

12949667 is a wasteful number, since it uses less digits than its factorization.

12949667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15277.

The product of its digits is 163296, while the sum is 44.

The square root of 12949667 is about 3598.5645749382. The cubic root of 12949667 is about 234.8296154409.

The spelling of 12949667 in words is "twelve million, nine hundred forty-nine thousand, six hundred sixty-seven".