10499999 has 4 divisors (see below), whose sum is σ = 11117664. Its totient is φ = 9882336.

The previous prime is 10499981. The next prime is 10500013. The reversal of 10499999 is 99999401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10499999 - 2²⁰ = 9451423 is a prime.

It is a super-2 number, since 2×10499999² = 220499958000002, which contains 22 as substring.

It is a Duffinian number.

10499999 is a modest number, since divided by 9999 gives 1049 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10499299) 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 3 ways as a sum of consecutive naturals, for example, 308807 + ... + 308840.

It is an arithmetic number, because the mean of its divisors is an integer number (2779416).

Almost surely, 2^10499999 is an apocalyptic number.

10499999 is a deficient number, since it is larger than the sum of its proper divisors (617665).

10499999 is an equidigital number, since it uses as much as digits as its factorization.

10499999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617664.

The product of its (nonzero) digits is 236196, while the sum is 50.

The square root of 10499999 is about 3240.3701949006. The cubic root of 10499999 is about 218.9759500428.

The spelling of 10499999 in words is "ten million, four hundred ninety-nine thousand, nine hundred ninety-nine".