10956643 has 4 divisors (see below), whose sum is σ = 11106808. Its totient is φ = 10806480.

The previous prime is 10956629. The next prime is 10956661. The reversal of 10956643 is 34665901.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10956643 - 2⁵ = 10956611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10956599 and 10956608.

It is not an unprimeable number, because it can be changed into a prime (10959643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74973 + ... + 75118.

It is an arithmetic number, because the mean of its divisors is an integer number (2776702).

Almost surely, 2^10956643 is an apocalyptic number.

10956643 is a deficient number, since it is larger than the sum of its proper divisors (150165).

10956643 is an equidigital number, since it uses as much as digits as its factorization.

10956643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150164.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 10956643 is about 3310.0820231529. The cubic root of 10956643 is about 222.1054270239.

The spelling of 10956643 in words is "ten million, nine hundred fifty-six thousand, six hundred forty-three".