12953493 has 24 divisors (see below), whose sum is σ = 22325760. Its totient is φ = 7401240.

The previous prime is 12953491. The next prime is 12953513. The reversal of 12953493 is 39435921.

It is a happy number.

It is not a de Polignac number, because 12953493 - 2¹ = 12953491 is a prime.

It is a hoax number, since the sum of its digits (36) 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 (12953491) 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, 3573 + ... + 6218.

It is an arithmetic number, because the mean of its divisors is an integer number (930240).

Almost surely, 2^12953493 is an apocalyptic number.

It is an amenable number.

12953493 is a deficient number, since it is larger than the sum of its proper divisors (9372267).

12953493 is an equidigital number, since it uses as much as digits as its factorization.

12953493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9814 (or 9801 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 12953493 is about 3599.0961365321. The cubic root of 12953493 is about 234.8527400931.

The spelling of 12953493 in words is "twelve million, nine hundred fifty-three thousand, four hundred ninety-three".