12905049 has 8 divisors (see below), whose sum is σ = 17223840. Its totient is φ = 8594816.

The previous prime is 12905041. The next prime is 12905063. The reversal of 12905049 is 94050921.

It is a happy number.

12905049 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 12905049 - 2³ = 12905041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12905041) 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, 3529 + ... + 6185.

It is an arithmetic number, because the mean of its divisors is an integer number (2152980).

Almost surely, 2^12905049 is an apocalyptic number.

It is an amenable number.

12905049 is a deficient number, since it is larger than the sum of its proper divisors (4318791).

12905049 is a wasteful number, since it uses less digits than its factorization.

12905049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 12905049 is about 3592.3598093732. The cubic root of 12905049 is about 234.5596037511.

The spelling of 12905049 in words is "twelve million, nine hundred five thousand, forty-nine".