12894949 has 4 divisors (see below), whose sum is σ = 13076640. Its totient is φ = 12713260.

The previous prime is 12894941. The next prime is 12894971. The reversal of 12894949 is 94949821.

12894949 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 not a de Polignac number, because 12894949 - 2³ = 12894941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12894899 and 12894908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12894941) 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 3 ways as a sum of consecutive naturals, for example, 90739 + ... + 90880.

It is an arithmetic number, because the mean of its divisors is an integer number (3269160).

Almost surely, 2^12894949 is an apocalyptic number.

It is an amenable number.

12894949 is a deficient number, since it is larger than the sum of its proper divisors (181691).

12894949 is an equidigital number, since it uses as much as digits as its factorization.

12894949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181690.

The product of its digits is 186624, while the sum is 46.

The square root of 12894949 is about 3590.9537730247. The cubic root of 12894949 is about 234.4983959168.

The spelling of 12894949 in words is "twelve million, eight hundred ninety-four thousand, nine hundred forty-nine".