12662453056 has 28 divisors (see below), whose sum is σ = 27411334560. Its totient is φ = 5755660160.

The previous prime is 12662453047. The next prime is 12662453071. The reversal of 12662453056 is 65035426621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8992516 + ... + 8993923.

Almost surely, 2^12662453056 is an apocalyptic number.

12662453056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12662453056 is an abundant number, since it is smaller than the sum of its proper divisors (14748881504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12662453056 is a wasteful number, since it uses less digits than its factorization.

12662453056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17986462 (or 17986452 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 12662453056 its reverse (65035426621), we get a palindrome (77697879677).

The spelling of 12662453056 in words is "twelve billion, six hundred sixty-two million, four hundred fifty-three thousand, fifty-six".