12753539 has 4 divisors (see below), whose sum is σ = 12765000. Its totient is φ = 12742080.

The previous prime is 12753511. The next prime is 12753557. The reversal of 12753539 is 93535721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93535721 = 1861 ⋅50261.

It is a cyclic number.

It is not a de Polignac number, because 12753539 - 2²⁰ = 11704963 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12753499 and 12753508.

It is not an unprimeable number, because it can be changed into a prime (12753589) 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, 3857 + ... + 6354.

It is an arithmetic number, because the mean of its divisors is an integer number (3191250).

Almost surely, 2^12753539 is an apocalyptic number.

12753539 is a deficient number, since it is larger than the sum of its proper divisors (11461).

12753539 is a wasteful number, since it uses less digits than its factorization.

12753539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11460.

The product of its digits is 28350, while the sum is 35.

The square root of 12753539 is about 3571.2097390100. The cubic root of 12753539 is about 233.6380492827.

The spelling of 12753539 in words is "twelve million, seven hundred fifty-three thousand, five hundred thirty-nine".