12619105 has 4 divisors (see below), whose sum is σ = 15142932. Its totient is φ = 10095280.

The previous prime is 12619093. The next prime is 12619121. The reversal of 12619105 is 50191621.

12619105 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.

It can be written as a sum of positive squares in 2 ways, for example, as 4376464 + 8242641 = 2092^2 + 2871^2 .

It is not a de Polignac number, because 12619105 - 2¹⁵ = 12586337 is a prime.

It is a super-2 number, since 2×12619105² = 318483622002050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12619105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261906 + ... + 1261915.

It is an arithmetic number, because the mean of its divisors is an integer number (3785733).

Almost surely, 2^12619105 is an apocalyptic number.

It is an amenable number.

12619105 is a deficient number, since it is larger than the sum of its proper divisors (2523827).

12619105 is an equidigital number, since it uses as much as digits as its factorization.

12619105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523826.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 12619105 is about 3552.3379625255. The cubic root of 12619105 is about 232.8142280700.

The spelling of 12619105 in words is "twelve million, six hundred nineteen thousand, one hundred five".