12639483 has 40 divisors (see below), whose sum is σ = 20438352. Its totient is φ = 7755264.

The previous prime is 12639481. The next prime is 12639527. The reversal of 12639483 is 38493621.

12639483 is a `hidden beast` number, since 12 + 639 + 4 + 8 + 3 = 666.

It is not a de Polignac number, because 12639483 - 2¹ = 12639481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12639481) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 92191 + ... + 92327.

Almost surely, 2^12639483 is an apocalyptic number.

12639483 is a deficient number, since it is larger than the sum of its proper divisors (7798869).

12639483 is a wasteful number, since it uses less digits than its factorization.

12639483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 224 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 12639483 is about 3555.2050573771. The cubic root of 12639483 is about 232.9394809267.

The spelling of 12639483 in words is "twelve million, six hundred thirty-nine thousand, four hundred eighty-three".