11417639 has 4 divisors (see below), whose sum is σ = 11696160. Its totient is φ = 11139120.

The previous prime is 11417611. The next prime is 11417701. The reversal of 11417639 is 93671411.

11417639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93671411 = 17 ⋅5510083.

It is a cyclic number.

It is not a de Polignac number, because 11417639 - 2⁸ = 11417383 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11417339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139199 + ... + 139280.

It is an arithmetic number, because the mean of its divisors is an integer number (2924040).

Almost surely, 2^11417639 is an apocalyptic number.

11417639 is a deficient number, since it is larger than the sum of its proper divisors (278521).

11417639 is an equidigital number, since it uses as much as digits as its factorization.

11417639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278520.

The product of its digits is 4536, while the sum is 32.

The square root of 11417639 is about 3378.9997040544. Note that the first 3 decimals coincide. The cubic root of 11417639 is about 225.1777295317.

The spelling of 11417639 in words is "eleven million, four hundred seventeen thousand, six hundred thirty-nine".