12757493 has 24 divisors (see below), whose sum is σ = 15923520. Its totient is φ = 10160640.

The previous prime is 12757487. The next prime is 12757501. The reversal of 12757493 is 39475721.

It is not a de Polignac number, because 12757493 - 2¹⁶ = 12691957 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12757453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66005 + ... + 66197.

It is an arithmetic number, because the mean of its divisors is an integer number (663480).

Almost surely, 2^12757493 is an apocalyptic number.

It is an amenable number.

12757493 is a deficient number, since it is larger than the sum of its proper divisors (3166027).

12757493 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (12757492) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (290).

12757493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 290 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 12757493 is about 3571.7632900292. The cubic root of 12757493 is about 233.6621918467.

The spelling of 12757493 in words is "twelve million, seven hundred fifty-seven thousand, four hundred ninety-three".