11642973 has 8 divisors (see below), whose sum is σ = 15582336. Its totient is φ = 7732800.

The previous prime is 11642959. The next prime is 11643041. The reversal of 11642973 is 37924611.

11642973 = T₁₄₇ + T₁₄₈ + ... + T₄₁₇.

11642973 is digitally balanced in base 2 and base 3, because in such bases 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 11642973 - 2⁴ = 11642957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11642923) 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, 6348 + ... + 7973.

It is an arithmetic number, because the mean of its divisors is an integer number (1947792).

Almost surely, 2^11642973 is an apocalyptic number.

It is an amenable number.

11642973 is a deficient number, since it is larger than the sum of its proper divisors (3939363).

11642973 is a wasteful number, since it uses less digits than its factorization.

11642973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14595.

The product of its digits is 9072, while the sum is 33.

The square root of 11642973 is about 3412.1800948953. The cubic root of 11642973 is about 226.6494294370.

The spelling of 11642973 in words is "eleven million, six hundred forty-two thousand, nine hundred seventy-three".