10899605 has 4 divisors (see below), whose sum is σ = 13079532. Its totient is φ = 8719680.

The previous prime is 10899587. The next prime is 10899607. The reversal of 10899605 is 50699801.

10899605 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50699801 = 29 ⋅1748269.

It can be written as a sum of positive squares in 2 ways, for example, as 3452164 + 7447441 = 1858^2 + 2729^2 .

It is not a de Polignac number, because 10899605 - 2¹⁴ = 10883221 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 (10899607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1089956 + ... + 1089965.

It is an arithmetic number, because the mean of its divisors is an integer number (3269883).

Almost surely, 2^10899605 is an apocalyptic number.

It is an amenable number.

10899605 is a deficient number, since it is larger than the sum of its proper divisors (2179927).

10899605 is an equidigital number, since it uses as much as digits as its factorization.

10899605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2179926.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 10899605 is about 3301.4549822768. The cubic root of 10899605 is about 221.7193447708.

The spelling of 10899605 in words is "ten million, eight hundred ninety-nine thousand, six hundred five".