19799126 has 16 divisors (see below), whose sum is σ = 30468096. Its totient is φ = 9645096.

The previous prime is 19799123. The next prime is 19799137. The reversal of 19799126 is 62199791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19799123) 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, 32315 + ... + 32921.

It is an arithmetic number, because the mean of its divisors is an integer number (1904256).

Almost surely, 2^19799126 is an apocalyptic number.

19799126 is a deficient number, since it is larger than the sum of its proper divisors (10668970).

19799126 is a wasteful number, since it uses less digits than its factorization.

19799126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its digits is 61236, while the sum is 44.

The square root of 19799126 is about 4449.6208827270. The cubic root of 19799126 is about 270.5299422576.

The spelling of 19799126 in words is "nineteen million, seven hundred ninety-nine thousand, one hundred twenty-six".