12637493 has 8 divisors (see below), whose sum is σ = 13823040. Its totient is φ = 11458080.

The previous prime is 12637483. The next prime is 12637507. The reversal of 12637493 is 39473621.

12637493 is digitally balanced in base 3, 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 12637493 - 2⁸ = 12637237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12637403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3521 + ... + 6137.

It is an arithmetic number, because the mean of its divisors is an integer number (1727880).

Almost surely, 2^12637493 is an apocalyptic number.

It is an amenable number.

12637493 is a deficient number, since it is larger than the sum of its proper divisors (1185547).

12637493 is a wasteful number, since it uses less digits than its factorization.

12637493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3067.

The product of its digits is 27216, while the sum is 35.

The square root of 12637493 is about 3554.9251750213. The cubic root of 12637493 is about 232.9272553767.

It can be divided in two parts, 12 and 637493, that multiplied together give a triangular number (7649916 = T₃₉₁₁).

The spelling of 12637493 in words is "twelve million, six hundred thirty-seven thousand, four hundred ninety-three".