12700099 has 4 divisors (see below), whose sum is σ = 12717936. Its totient is φ = 12682264.

The previous prime is 12700097. The next prime is 12700109. The reversal of 12700099 is 99000721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99000721 = 137 ⋅722633.

It is a cyclic number.

It is not a de Polignac number, because 12700099 - 2¹ = 12700097 is a prime.

It is a super-2 number, since 2×12700099² = 322585029219602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12700091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7804 + ... + 9289.

It is an arithmetic number, because the mean of its divisors is an integer number (3179484).

Almost surely, 2^12700099 is an apocalyptic number.

12700099 is a deficient number, since it is larger than the sum of its proper divisors (17837).

12700099 is an equidigital number, since it uses as much as digits as its factorization.

12700099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17836.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 12700099 is about 3563.7198262490. The cubic root of 12700099 is about 233.3112616311.

The spelling of 12700099 in words is "twelve million, seven hundred thousand, ninety-nine".