12953443 has 8 divisors (see below), whose sum is σ = 13418496. Its totient is φ = 12491400.

The previous prime is 12953431. The next prime is 12953467. The reversal of 12953443 is 34435921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12953443 - 2¹⁷ = 12822371 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12953483) 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 7 ways as a sum of consecutive naturals, for example, 11328 + ... + 12418.

It is an arithmetic number, because the mean of its divisors is an integer number (1677312).

Almost surely, 2^12953443 is an apocalyptic number.

12953443 is a deficient number, since it is larger than the sum of its proper divisors (465053).

12953443 is a wasteful number, since it uses less digits than its factorization.

12953443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505.

The product of its digits is 12960, while the sum is 31.

The square root of 12953443 is about 3599.0891903369. The cubic root of 12953443 is about 234.8524379185.

The spelling of 12953443 in words is "twelve million, nine hundred fifty-three thousand, four hundred forty-three".