19113268 has 12 divisors (see below), whose sum is σ = 33793732. Its totient is φ = 9457920.

The previous prime is 19113251. The next prime is 19113319. The reversal of 19113268 is 86231191.

It can be written as a sum of positive squares in 2 ways, for example, as 7086244 + 12027024 = 2662^2 + 3468^2 .

It is a congruent number.

It is an unprimeable number.

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, 24243 + ... + 25018.

Almost surely, 2^19113268 is an apocalyptic number.

It is an amenable number.

19113268 is a deficient number, since it is larger than the sum of its proper divisors (14680464).

19113268 is a wasteful number, since it uses less digits than its factorization.

19113268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49362 (or 49360 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 19113268 is about 4371.8723677619. The cubic root of 19113268 is about 267.3693681909.

The spelling of 19113268 in words is "nineteen million, one hundred thirteen thousand, two hundred sixty-eight".