11961303 has 8 divisors (see below), whose sum is σ = 15964416. Its totient is φ = 7966200.

The previous prime is 11961289. The next prime is 11961343. The reversal of 11961303 is 30316911.

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

It is not a de Polignac number, because 11961303 - 2⁹ = 11960791 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11961343) 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, 4548 + ... + 6678.

It is an arithmetic number, because the mean of its divisors is an integer number (1995552).

Almost surely, 2^11961303 is an apocalyptic number.

11961303 is a deficient number, since it is larger than the sum of its proper divisors (4003113).

11961303 is a wasteful number, since it uses less digits than its factorization.

11961303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4005.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 11961303 is about 3458.5116741165. The cubic root of 11961303 is about 228.6964890211.

The spelling of 11961303 in words is "eleven million, nine hundred sixty-one thousand, three hundred three".