12726953 has 4 divisors (see below), whose sum is σ = 12748800. Its totient is φ = 12705108.

The previous prime is 12726937. The next prime is 12726977. The reversal of 12726953 is 35962721.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35962721 = 173 ⋅207877.

It is a cyclic number.

It is not a de Polignac number, because 12726953 - 2⁴ = 12726937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12746953) 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, 10025 + ... + 11222.

It is an arithmetic number, because the mean of its divisors is an integer number (3187200).

Almost surely, 2^12726953 is an apocalyptic number.

It is an amenable number.

12726953 is a deficient number, since it is larger than the sum of its proper divisors (21847).

12726953 is an equidigital number, since it uses as much as digits as its factorization.

12726953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21846.

The product of its digits is 22680, while the sum is 35.

The square root of 12726953 is about 3567.4855290526. The cubic root of 12726953 is about 233.4755892172.

The spelling of 12726953 in words is "twelve million, seven hundred twenty-six thousand, nine hundred fifty-three".