11438001 has 12 divisors (see below), whose sum is σ = 16653312. Its totient is φ = 7564536.

The previous prime is 11437999. The next prime is 11438027. The reversal of 11438001 is 10083411.

It is not a de Polignac number, because 11438001 - 2¹ = 11437999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11438051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3861 + ... + 6146.

It is an arithmetic number, because the mean of its divisors is an integer number (1387776).

Almost surely, 2^11438001 is an apocalyptic number.

It is an amenable number.

11438001 is a deficient number, since it is larger than the sum of its proper divisors (5215311).

11438001 is a wasteful number, since it uses less digits than its factorization.

11438001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10140 (or 10137 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11438001 is about 3382.0113837774. The cubic root of 11438001 is about 225.3115092616.

The spelling of 11438001 in words is "eleven million, four hundred thirty-eight thousand, one".