11638473 has 16 divisors (see below), whose sum is σ = 19347456. Its totient is φ = 6045840.

The previous prime is 11638439. The next prime is 11638493. The reversal of 11638473 is 37483611.

11638473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11638473 - 2⁶ = 11638409 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11638493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24961 + ... + 25422.

It is an arithmetic number, because the mean of its divisors is an integer number (1209216).

Almost surely, 2^11638473 is an apocalyptic number.

It is an amenable number.

11638473 is a deficient number, since it is larger than the sum of its proper divisors (7708983).

11638473 is a wasteful number, since it uses less digits than its factorization.

11638473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50404.

The product of its digits is 12096, while the sum is 33.

The square root of 11638473 is about 3411.5206286933. The cubic root of 11638473 is about 226.6202257316.

The spelling of 11638473 in words is "eleven million, six hundred thirty-eight thousand, four hundred seventy-three".