12098719 has 4 divisors (see below), whose sum is σ = 12116920. Its totient is φ = 12080520.

The previous prime is 12098707. The next prime is 12098729. The reversal of 12098719 is 91789021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91789021 = 23 ⋅3990827.

It is a cyclic number.

It is not a de Polignac number, because 12098719 - 2²¹ = 10001567 is a prime.

It is a super-2 number, since 2×12098719² = 292758002881922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12098729) 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, 8064 + ... + 9445.

It is an arithmetic number, because the mean of its divisors is an integer number (3029230).

Almost surely, 2^12098719 is an apocalyptic number.

12098719 is a deficient number, since it is larger than the sum of its proper divisors (18201).

12098719 is an equidigital number, since it uses as much as digits as its factorization.

12098719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18200.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 12098719 is about 3478.3212905078. The cubic root of 12098719 is about 229.5689405776.

The spelling of 12098719 in words is "twelve million, ninety-eight thousand, seven hundred nineteen".