11290639 has 8 divisors (see below), whose sum is σ = 11728640. Its totient is φ = 10860696.

The previous prime is 11290637. The next prime is 11290649. The reversal of 11290639 is 93609211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11290639 - 2¹ = 11290637 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 11290639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11290637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 922 + ... + 4840.

It is an arithmetic number, because the mean of its divisors is an integer number (1466080).

Almost surely, 2^11290639 is an apocalyptic number.

11290639 is a deficient number, since it is larger than the sum of its proper divisors (438001).

11290639 is an equidigital number, since it uses as much as digits as its factorization.

11290639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4029.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 11290639 is about 3360.1546095381. The cubic root of 11290639 is about 224.3397202207.

The spelling of 11290639 in words is "eleven million, two hundred ninety thousand, six hundred thirty-nine".