11640603 has 8 divisors (see below), whose sum is σ = 16714768. Its totient is φ = 7163424.

The previous prime is 11640583. The next prime is 11640611. The reversal of 11640603 is 30604611.

11640603 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11640603 - 2⁶ = 11640539 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 11640603.

It is not an unprimeable number, because it can be changed into a prime (11640613) 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, 149200 + ... + 149277.

It is an arithmetic number, because the mean of its divisors is an integer number (2089346).

Almost surely, 2^11640603 is an apocalyptic number.

11640603 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11640603 is a deficient number, since it is larger than the sum of its proper divisors (5074165).

11640603 is a wasteful number, since it uses less digits than its factorization.

11640603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298493.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 11640603 is about 3411.8327919170. The cubic root of 11640603 is about 226.6340497569.

The spelling of 11640603 in words is "eleven million, six hundred forty thousand, six hundred three".