10691069 has 8 divisors (see below), whose sum is σ = 10926840. Its totient is φ = 10457856.

The previous prime is 10690997. The next prime is 10691081. The reversal of 10691069 is 96019601.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2059225 + 8631844 = 1435^2 + 2938^2 .

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 10691069 - 2¹⁶ = 10625533 is a prime.

It is a super-2 number, since 2×10691069² = 228597912725522, 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 (10691089) 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 7 ways as a sum of consecutive naturals, for example, 9467 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (1365855).

Almost surely, 2^10691069 is an apocalyptic number.

It is an amenable number.

10691069 is a deficient number, since it is larger than the sum of its proper divisors (235771).

10691069 is a wasteful number, since it uses less digits than its factorization.

10691069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279.

The product of its (nonzero) digits is 2916, while the sum is 32.

The square root of 10691069 is about 3269.7200185949. The cubic root of 10691069 is about 220.2962194331.

The spelling of 10691069 in words is "ten million, six hundred ninety-one thousand, sixty-nine".