12747408 has 20 divisors (see below), whose sum is σ = 32930928. Its totient is φ = 4249120.

The previous prime is 12747379. The next prime is 12747409. The reversal of 12747408 is 80474721.

It is not an unprimeable number, because it can be changed into a prime (12747409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132738 + ... + 132833.

Almost surely, 2^12747408 is an apocalyptic number.

It is an amenable number.

12747408 is an abundant number, since it is smaller than the sum of its proper divisors (20183520).

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

12747408 is a wasteful number, since it uses less digits than its factorization.

12747408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265582 (or 265576 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 12747408 is about 3570.3512432252. The cubic root of 12747408 is about 233.6006043958.

The spelling of 12747408 in words is "twelve million, seven hundred forty-seven thousand, four hundred eight".