12757419 has 20 divisors (see below), whose sum is σ = 19718160. Its totient is φ = 8210160.

The previous prime is 12757391. The next prime is 12757421. The reversal of 12757419 is 91475721.

It is a happy number.

12757419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12757419 - 2⁷ = 12757291 is a prime.

It is a super-2 number, since 2×12757419² = 325503479083122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12757439) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 367 + ... + 5064.

It is an arithmetic number, because the mean of its divisors is an integer number (985908).

Almost surely, 2^12757419 is an apocalyptic number.

12757419 is a deficient number, since it is larger than the sum of its proper divisors (6960741).

12757419 is an equidigital number, since it uses as much as digits as its factorization.

12757419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5472 (or 5463 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 12757419 is about 3571.7529309850. The cubic root of 12757419 is about 233.6617400590.

The spelling of 12757419 in words is "twelve million, seven hundred fifty-seven thousand, four hundred nineteen".