10690605 has 24 divisors (see below), whose sum is σ = 18610488. Its totient is φ = 5677056.

The previous prime is 10690583. The next prime is 10690609. The reversal of 10690605 is 50609601.

It can be written as a sum of positive squares in 4 ways, for example, as 367236 + 10323369 = 606^2 + 3213^2 .

It is not a de Polignac number, because 10690605 - 2¹² = 10686509 is a prime.

It is a super-2 number, since 2×10690605² = 228578070532050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10690609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15549 + ... + 16221.

It is an arithmetic number, because the mean of its divisors is an integer number (775437).

Almost surely, 2^10690605 is an apocalyptic number.

10690605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10690605 is a deficient number, since it is larger than the sum of its proper divisors (7919883).

10690605 is a wasteful number, since it uses less digits than its factorization.

10690605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037 (or 1034 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 10690605 is about 3269.6490637376. The cubic root of 10690605 is about 220.2930323827.

The spelling of 10690605 in words is "ten million, six hundred ninety thousand, six hundred five".