11639073 has 4 divisors (see below), whose sum is σ = 15518768. Its totient is φ = 7759380.

The previous prime is 11639071. The next prime is 11639087. The reversal of 11639073 is 37093611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 37093611 = 3 ⋅12364537.

It is not a de Polignac number, because 11639073 - 2¹ = 11639071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11639073.

It is not an unprimeable number, because it can be changed into a prime (11639071) 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, 1939843 + ... + 1939848.

It is an arithmetic number, because the mean of its divisors is an integer number (3879692).

Almost surely, 2^11639073 is an apocalyptic number.

It is an amenable number.

11639073 is a deficient number, since it is larger than the sum of its proper divisors (3879695).

11639073 is an equidigital number, since it uses as much as digits as its factorization.

11639073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3879694.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 11639073 is about 3411.6085648855. The cubic root of 11639073 is about 226.6241199939.

The spelling of 11639073 in words is "eleven million, six hundred thirty-nine thousand, seventy-three".