12953591 has 6 divisors (see below), whose sum is σ = 15068520. Its totient is φ = 11103036.

The previous prime is 12953557. The next prime is 12953593. The reversal of 12953591 is 19535921.

It is not a de Polignac number, because 12953591 - 2¹⁰ = 12952567 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 (12953593) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 132131 + ... + 132228.

It is an arithmetic number, because the mean of its divisors is an integer number (2511420).

Almost surely, 2^12953591 is an apocalyptic number.

12953591 is a deficient number, since it is larger than the sum of its proper divisors (2114929).

12953591 is an equidigital number, since it uses as much as digits as its factorization.

12953591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264373 (or 264366 counting only the distinct ones).

The product of its digits is 12150, while the sum is 35.

The square root of 12953591 is about 3599.1097510357. The cubic root of 12953591 is about 234.8533323532.

It can be divided in two parts, 1 and 2953591, that added together give a palindrome (2953592).

The spelling of 12953591 in words is "twelve million, nine hundred fifty-three thousand, five hundred ninety-one".