10126638 has 12 divisors (see below), whose sum is σ = 21941088. Its totient is φ = 3375540.

The previous prime is 10126621. The next prime is 10126673. The reversal of 10126638 is 83662101.

10126638 is a `hidden beast` number, since 1 + 0 + 1 + 26 + 638 = 666.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 281278 + ... + 281313.

It is an arithmetic number, because the mean of its divisors is an integer number (1828424).

Almost surely, 2^10126638 is an apocalyptic number.

10126638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10126638 is an abundant number, since it is smaller than the sum of its proper divisors (11814450).

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

10126638 is a wasteful number, since it uses less digits than its factorization.

10126638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562599 (or 562596 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 10126638 is about 3182.2378917988. The cubic root of 10126638 is about 216.3491011136.

Adding to 10126638 its reverse (83662101), we get a palindrome (93788739).

The spelling of 10126638 in words is "ten million, one hundred twenty-six thousand, six hundred thirty-eight".