12290919 has 8 divisors (see below), whose sum is σ = 16830960. Its totient is φ = 7972416.

The previous prime is 12290917. The next prime is 12290921. The reversal of 12290919 is 91909221.

It is an interprime number because it is at equal distance from previous prime (12290917) and next prime (12290921).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12290919 - 2¹ = 12290917 is a prime.

It is a super-2 number, since 2×12290919² = 302133379729122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 12290919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55254 + ... + 55475.

It is an arithmetic number, because the mean of its divisors is an integer number (2103870).

Almost surely, 2^12290919 is an apocalyptic number.

12290919 is a deficient number, since it is larger than the sum of its proper divisors (4540041).

12290919 is a wasteful number, since it uses less digits than its factorization.

12290919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110769.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 12290919 is about 3505.8406980352. The cubic root of 12290919 is about 230.7782020529.

The spelling of 12290919 in words is "twelve million, two hundred ninety thousand, nine hundred nineteen".