12829949 has 4 divisors (see below), whose sum is σ = 13996320. Its totient is φ = 11663580.

The previous prime is 12829937. The next prime is 12829961. The reversal of 12829949 is 94992821.

12829949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12829937) and next prime (12829961).

It is a cyclic number.

It is not a de Polignac number, because 12829949 - 2⁴ = 12829933 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 (12829909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583169 + ... + 583190.

It is an arithmetic number, because the mean of its divisors is an integer number (3499080).

Almost surely, 2^12829949 is an apocalyptic number.

It is an amenable number.

12829949 is a deficient number, since it is larger than the sum of its proper divisors (1166371).

12829949 is a wasteful number, since it uses less digits than its factorization.

12829949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166370.

The product of its digits is 93312, while the sum is 44.

The square root of 12829949 is about 3581.8918185786. The cubic root of 12829949 is about 234.1037173842.

The spelling of 12829949 in words is "twelve million, eight hundred twenty-nine thousand, nine hundred forty-nine".