12938453 has 4 divisors (see below), whose sum is σ = 14114688. Its totient is φ = 11762220.

The previous prime is 12938389. The next prime is 12938461. The reversal of 12938453 is 35483921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12938453 - 2⁶ = 12938389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12938483) 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 3 ways as a sum of consecutive naturals, for example, 588101 + ... + 588122.

It is an arithmetic number, because the mean of its divisors is an integer number (3528672).

Almost surely, 2^12938453 is an apocalyptic number.

It is an amenable number.

12938453 is a deficient number, since it is larger than the sum of its proper divisors (1176235).

12938453 is a wasteful number, since it uses less digits than its factorization.

12938453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176234.

The product of its digits is 25920, while the sum is 35.

The square root of 12938453 is about 3597.0061162028. The cubic root of 12938453 is about 234.7618108707.

The spelling of 12938453 in words is "twelve million, nine hundred thirty-eight thousand, four hundred fifty-three".