12953693 has 4 divisors (see below), whose sum is σ = 13026240. Its totient is φ = 12881148.

The previous prime is 12953659. The next prime is 12953701. The reversal of 12953693 is 39635921.

12953693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39635921 = 13 ⋅3048917.

It is a cyclic number.

It is not a de Polignac number, because 12953693 - 2¹⁰ = 12952669 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 (12953653) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36005 + ... + 36362.

It is an arithmetic number, because the mean of its divisors is an integer number (3256560).

Almost surely, 2^12953693 is an apocalyptic number.

It is an amenable number.

12953693 is a deficient number, since it is larger than the sum of its proper divisors (72547).

12953693 is an equidigital number, since it uses as much as digits as its factorization.

12953693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72546.

The product of its digits is 43740, while the sum is 38.

The square root of 12953693 is about 3599.1239211786. The cubic root of 12953693 is about 234.8539487840.

The spelling of 12953693 in words is "twelve million, nine hundred fifty-three thousand, six hundred ninety-three".