10656487 has 4 divisors (see below), whose sum is σ = 10664320. Its totient is φ = 10648656.

The previous prime is 10656479. The next prime is 10656509. The reversal of 10656487 is 78465601.

10656487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78465601 = 2833 ⋅27697.

It is a cyclic number.

It is not a de Polignac number, because 10656487 - 2³ = 10656479 is a prime.

It is a super-2 number, since 2×10656487² = 227121430362338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10656787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287 + ... + 4792.

It is an arithmetic number, because the mean of its divisors is an integer number (2666080).

Almost surely, 2^10656487 is an apocalyptic number.

10656487 is a deficient number, since it is larger than the sum of its proper divisors (7833).

10656487 is an equidigital number, since it uses as much as digits as its factorization.

10656487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7832.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 10656487 is about 3264.4275148945. The cubic root of 10656487 is about 220.0584348908.

The spelling of 10656487 in words is "ten million, six hundred fifty-six thousand, four hundred eighty-seven".