10647861 has 16 divisors (see below), whose sum is σ = 16293888. Its totient is φ = 6058800.

The previous prime is 10647851. The next prime is 10647863. The reversal of 10647861 is 16874601.

It is a happy number.

10647861 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10647861 - 2⁵ = 10647829 is a prime.

It is a super-2 number, since 2×10647861² = 226753887750642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10647863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4756 + ... + 6626.

It is an arithmetic number, because the mean of its divisors is an integer number (1018368).

Almost surely, 2^10647861 is an apocalyptic number.

It is an amenable number.

10647861 is a deficient number, since it is larger than the sum of its proper divisors (5646027).

10647861 is a wasteful number, since it uses less digits than its factorization.

10647861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 10647861 is about 3263.1060356660. The cubic root of 10647861 is about 219.9990426956. Note that the first 3 decimals are identical.

The spelling of 10647861 in words is "ten million, six hundred forty-seven thousand, eight hundred sixty-one".