12808477 has 8 divisors (see below), whose sum is σ = 14142240. Its totient is φ = 11502960.

The previous prime is 12808469. The next prime is 12808483. The reversal of 12808477 is 77480821.

12808477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12808477 - 2³ = 12808469 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 (12808777) 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, 6102 + ... + 7927.

It is an arithmetic number, because the mean of its divisors is an integer number (1767780).

Almost surely, 2^12808477 is an apocalyptic number.

It is an amenable number.

12808477 is a deficient number, since it is larger than the sum of its proper divisors (1333763).

12808477 is a wasteful number, since it uses less digits than its factorization.

12808477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14123.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 12808477 is about 3578.8932646839. The cubic root of 12808477 is about 233.9730470332.

The spelling of 12808477 in words is "twelve million, eight hundred eight thousand, four hundred seventy-seven".