19613242 has 16 divisors (see below), whose sum is σ = 32392800. Its totient is φ = 8832240.

The previous prime is 19613213. The next prime is 19613249. The reversal of 19613242 is 24231691.

It is a self number, because there is not a number n which added to its sum of digits gives 19613242.

It is not an unprimeable number, because it can be changed into a prime (19613249) 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, 1692 + ... + 6487.

It is an arithmetic number, because the mean of its divisors is an integer number (2024550).

Almost surely, 2^19613242 is an apocalyptic number.

19613242 is a deficient number, since it is larger than the sum of its proper divisors (12779558).

19613242 is a wasteful number, since it uses less digits than its factorization.

19613242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8301.

The product of its digits is 2592, while the sum is 28.

The square root of 19613242 is about 4428.6840031775. The cubic root of 19613242 is about 269.6806558217.

The spelling of 19613242 in words is "nineteen million, six hundred thirteen thousand, two hundred forty-two".