11638914 has 32 divisors (see below), whose sum is σ = 28169856. Its totient is φ = 3129600.

The previous prime is 11638903. The next prime is 11638951. The reversal of 11638914 is 41983611.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7437 + ... + 8864.

It is an arithmetic number, because the mean of its divisors is an integer number (880308).

Almost surely, 2^11638914 is an apocalyptic number.

11638914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11638914 is an abundant number, since it is smaller than the sum of its proper divisors (16530942).

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

11638914 is a wasteful number, since it uses less digits than its factorization.

11638914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16330.

The product of its digits is 5184, while the sum is 33.

The square root of 11638914 is about 3411.5852620153. The cubic root of 11638914 is about 226.6230880274.

It can be divided in two parts, 1163891 and 4, that multiplied together give a palindrome (4655564).

The spelling of 11638914 in words is "eleven million, six hundred thirty-eight thousand, nine hundred fourteen".