10865261 has 16 divisors (see below), whose sum is σ = 12700800. Its totient is φ = 9185280.

The previous prime is 10865251. The next prime is 10865279. The reversal of 10865261 is 16256801.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10865261 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 (10865251) 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 15 ways as a sum of consecutive naturals, for example, 17840 + ... + 18438.

It is an arithmetic number, because the mean of its divisors is an integer number (793800).

Almost surely, 2^10865261 is an apocalyptic number.

10865261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10865261 is a deficient number, since it is larger than the sum of its proper divisors (1835539).

10865261 is a wasteful number, since it uses less digits than its factorization.

10865261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 10865261 is about 3296.2495354569. The cubic root of 10865261 is about 221.4862249755.

The spelling of 10865261 in words is "ten million, eight hundred sixty-five thousand, two hundred sixty-one".