10505969 has 8 divisors (see below), whose sum is σ = 10756008. Its totient is φ = 10258560.

The previous prime is 10505959. The next prime is 10505981. The reversal of 10505969 is 96950501.

It can be written as a sum of positive squares in 4 ways, for example, as 169744 + 10336225 = 412^2 + 3215^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10505969 - 2¹⁶ = 10440433 is a prime.

It is a super-2 number, since 2×10505969² = 220750769257922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10505909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9029 + ... + 10125.

It is an arithmetic number, because the mean of its divisors is an integer number (1344501).

Almost surely, 2^10505969 is an apocalyptic number.

It is an amenable number.

10505969 is a deficient number, since it is larger than the sum of its proper divisors (250039).

10505969 is a wasteful number, since it uses less digits than its factorization.

10505969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315.

The product of its (nonzero) digits is 12150, while the sum is 35.

The square root of 10505969 is about 3241.2912550402. The cubic root of 10505969 is about 219.0174433400.

The spelling of 10505969 in words is "ten million, five hundred five thousand, nine hundred sixty-nine".