11487973 has 8 divisors (see below), whose sum is σ = 13582080. Its totient is φ = 9507120.

The previous prime is 11487967. The next prime is 11487977. The reversal of 11487973 is 37978411.

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

It is not a de Polignac number, because 11487973 - 2⁵ = 11487941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11487977) 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, 28093 + ... + 28498.

It is an arithmetic number, because the mean of its divisors is an integer number (1697760).

Almost surely, 2^11487973 is an apocalyptic number.

It is an amenable number.

11487973 is a deficient number, since it is larger than the sum of its proper divisors (2094107).

11487973 is an equidigital number, since it uses as much as digits as its factorization.

11487973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56627.

The product of its digits is 42336, while the sum is 40.

The square root of 11487973 is about 3389.3912432766. The cubic root of 11487973 is about 225.6391571138.

The spelling of 11487973 in words is "eleven million, four hundred eighty-seven thousand, nine hundred seventy-three".