12662528 has 18 divisors (see below), whose sum is σ = 25276104. Its totient is φ = 6331136.

The previous prime is 12662527. The next prime is 12662543. The reversal of 12662528 is 82526621.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 12662494 and 12662503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24476 + ... + 24987.

It is an arithmetic number, because the mean of its divisors is an integer number (1404228).

Almost surely, 2^12662528 is an apocalyptic number.

It is an amenable number.

12662528 is a deficient number, since it is larger than the sum of its proper divisors (12613576).

12662528 is an frugal number, since it uses more digits than its factorization.

12662528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49479 (or 49465 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 12662528 is about 3558.4446040370. Note that the first 3 decimals coincide. The cubic root of 12662528 is about 233.0809643290.

The spelling of 12662528 in words is "twelve million, six hundred sixty-two thousand, five hundred twenty-eight".