12740053 has 4 divisors (see below), whose sum is σ = 13050828. Its totient is φ = 12429280.

The previous prime is 12740017. The next prime is 12740059. The reversal of 12740053 is 35004721.

12740053 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: 35004721 = 4259 ⋅8219.

It can be written as a sum of positive squares in 2 ways, for example, as 7273809 + 5466244 = 2697^2 + 2338^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12740053 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740059) 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, 155326 + ... + 155407.

It is an arithmetic number, because the mean of its divisors is an integer number (3262707).

Almost surely, 2^12740053 is an apocalyptic number.

It is an amenable number.

12740053 is a deficient number, since it is larger than the sum of its proper divisors (310775).

12740053 is an equidigital number, since it uses as much as digits as its factorization.

12740053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310774.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 12740053 is about 3569.3210839038. The cubic root of 12740053 is about 233.5556681234. Note that the first 3 decimals are identical.

Adding to 12740053 its reverse (35004721), we get a palindrome (47744774).

The spelling of 12740053 in words is "twelve million, seven hundred forty thousand, fifty-three".