11439617 has 4 divisors (see below), whose sum is σ = 13073856. Its totient is φ = 9805380.

The previous prime is 11439587. The next prime is 11439629. The reversal of 11439617 is 71693411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11439617 - 2⁶ = 11439553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11439517) 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, 817109 + ... + 817122.

It is an arithmetic number, because the mean of its divisors is an integer number (3268464).

Almost surely, 2^11439617 is an apocalyptic number.

It is an amenable number.

11439617 is a deficient number, since it is larger than the sum of its proper divisors (1634239).

11439617 is an equidigital number, since it uses as much as digits as its factorization.

11439617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634238.

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

The square root of 11439617 is about 3382.2502864217. The cubic root of 11439617 is about 225.3221196895.

The spelling of 11439617 in words is "eleven million, four hundred thirty-nine thousand, six hundred seventeen".