12949873 has 4 divisors (see below), whose sum is σ = 13162228. Its totient is φ = 12737520.

The previous prime is 12949841. The next prime is 12949877. The reversal of 12949873 is 37894921.

12949873 is digitally balanced in base 2, 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 an emirpimes, since its reverse is a distinct semiprime: 37894921 = 17 ⋅2229113.

It can be written as a sum of positive squares in 2 ways, for example, as 3659569 + 9290304 = 1913^2 + 3048^2 .

It is a cyclic number.

It is not a de Polignac number, because 12949873 - 2⁵ = 12949841 is a prime.

It is a super-2 number, since 2×12949873² = 335398421432258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12949877) 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, 106086 + ... + 106207.

It is an arithmetic number, because the mean of its divisors is an integer number (3290557).

Almost surely, 2^12949873 is an apocalyptic number.

It is an amenable number.

12949873 is a deficient number, since it is larger than the sum of its proper divisors (212355).

12949873 is an equidigital number, since it uses as much as digits as its factorization.

12949873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212354.

The product of its digits is 108864, while the sum is 43.

The square root of 12949873 is about 3598.5931973481. The cubic root of 12949873 is about 234.8308606375.

The spelling of 12949873 in words is "twelve million, nine hundred forty-nine thousand, eight hundred seventy-three".