12660477 has 8 divisors (see below), whose sum is σ = 16900416. Its totient is φ = 8430432.

The previous prime is 12660467. The next prime is 12660523. The reversal of 12660477 is 77406621.

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

It is not a de Polignac number, because 12660477 - 2⁶ = 12660413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368 + ... + 5214.

It is an arithmetic number, because the mean of its divisors is an integer number (2112552).

Almost surely, 2^12660477 is an apocalyptic number.

It is an amenable number.

12660477 is a deficient number, since it is larger than the sum of its proper divisors (4239939).

12660477 is a wasteful number, since it uses less digits than its factorization.

12660477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4947.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 12660477 is about 3558.1564046568. The cubic root of 12660477 is about 233.0683792993.

The spelling of 12660477 in words is "twelve million, six hundred sixty thousand, four hundred seventy-seven".