12052481 has 12 divisors (see below), whose sum is σ = 14095872. Its totient is φ = 10275048.

The previous prime is 12052471. The next prime is 12052489. The reversal of 12052481 is 18425021.

It is a de Polignac number, because none of the positive numbers 2^k-12052481 is a prime.

It is a super-2 number, since 2×12052481² = 290524596510722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12052489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10376 + ... + 11478.

It is an arithmetic number, because the mean of its divisors is an integer number (1174656).

Almost surely, 2^12052481 is an apocalyptic number.

It is an amenable number.

12052481 is a deficient number, since it is larger than the sum of its proper divisors (2043391).

12052481 is a wasteful number, since it uses less digits than its factorization.

12052481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 1333 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 12052481 is about 3471.6683309326. The cubic root of 12052481 is about 229.2761172972.

The spelling of 12052481 in words is "twelve million, fifty-two thousand, four hundred eighty-one".