10505799 has 24 divisors (see below), whose sum is σ = 15803424. Its totient is φ = 6720000.

The previous prime is 10505797. The next prime is 10505837. The reversal of 10505799 is 99750501.

It is a happy number.

It is not a de Polignac number, because 10505799 - 2¹ = 10505797 is a prime.

It is a super-2 number, since 2×10505799² = 220743625256802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10505791) 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, 25999 + ... + 26399.

It is an arithmetic number, because the mean of its divisors is an integer number (658476).

Almost surely, 2^10505799 is an apocalyptic number.

10505799 is a deficient number, since it is larger than the sum of its proper divisors (5297625).

10505799 is a wasteful number, since it uses less digits than its factorization.

10505799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 36.

The square root of 10505799 is about 3241.2650308174. The cubic root of 10505799 is about 219.0162620063.

The spelling of 10505799 in words is "ten million, five hundred five thousand, seven hundred ninety-nine".