12753731 has 4 divisors (see below), whose sum is σ = 13425000. Its totient is φ = 12082464.

The previous prime is 12753691. The next prime is 12753737. The reversal of 12753731 is 13735721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13735721 = 1579 ⋅8699.

It is a cyclic number.

It is not a de Polignac number, because 12753731 - 2¹⁸ = 12491587 is a prime.

It is a super-2 number, since 2×12753731² = 325315308840722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12753694 and 12753703.

It is not an unprimeable number, because it can be changed into a prime (12753737) 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, 335606 + ... + 335643.

It is an arithmetic number, because the mean of its divisors is an integer number (3356250).

Almost surely, 2^12753731 is an apocalyptic number.

12753731 is a deficient number, since it is larger than the sum of its proper divisors (671269).

12753731 is an equidigital number, since it uses as much as digits as its factorization.

12753731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671268.

The product of its digits is 4410, while the sum is 29.

The square root of 12753731 is about 3571.2366205560. The cubic root of 12753731 is about 233.6392217228.

The spelling of 12753731 in words is "twelve million, seven hundred fifty-three thousand, seven hundred thirty-one".