12427288 has 32 divisors (see below), whose sum is σ = 24008400. Its totient is φ = 6028288.

The previous prime is 12427277. The next prime is 12427297. The reversal of 12427288 is 88272421.

12427288 = 172² + 173² + ... + 348².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53220 + ... + 53452.

Almost surely, 2^12427288 is an apocalyptic number.

It is an amenable number.

12427288 is a deficient number, since it is larger than the sum of its proper divisors (11581112).

12427288 is a wasteful number, since it uses less digits than its factorization.

12427288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 407 counting only the distinct ones).

The product of its digits is 14336, while the sum is 34.

The square root of 12427288 is about 3525.2358786328. The cubic root of 12427288 is about 231.6285673649.

The spelling of 12427288 in words is "twelve million, four hundred twenty-seven thousand, two hundred eighty-eight".