12447053 has 4 divisors (see below), whose sum is σ = 12658080. Its totient is φ = 12236028.

The previous prime is 12447047. The next prime is 12447079. The reversal of 12447053 is 35074421.

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 12447053 - 2¹⁰ = 12446029 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 (12447023) 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, 105425 + ... + 105542.

It is an arithmetic number, because the mean of its divisors is an integer number (3164520).

Almost surely, 2^12447053 is an apocalyptic number.

It is an amenable number.

12447053 is a deficient number, since it is larger than the sum of its proper divisors (211027).

12447053 is an equidigital number, since it uses as much as digits as its factorization.

12447053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211026.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 12447053 is about 3528.0381233768. The cubic root of 12447053 is about 231.7513003290.

The spelling of 12447053 in words is "twelve million, four hundred forty-seven thousand, fifty-three".