12868949 has 8 divisors (see below), whose sum is σ = 13673088. Its totient is φ = 12070080.

The previous prime is 12868943. The next prime is 12868979. The reversal of 12868949 is 94986821.

12868949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12868949 - 2¹² = 12864853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12868943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4484 + ... + 6770.

It is an arithmetic number, because the mean of its divisors is an integer number (1709136).

Almost surely, 2^12868949 is an apocalyptic number.

It is an amenable number.

12868949 is a deficient number, since it is larger than the sum of its proper divisors (804139).

12868949 is a wasteful number, since it uses less digits than its factorization.

12868949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2635.

The product of its digits is 248832, while the sum is 47.

The square root of 12868949 is about 3587.3317382144. The cubic root of 12868949 is about 234.3406840188.

The spelling of 12868949 in words is "twelve million, eight hundred sixty-eight thousand, nine hundred forty-nine".