19426113 has 24 divisors (see below), whose sum is σ = 33758400. Its totient is φ = 10515744.

The previous prime is 19426111. The next prime is 19426133. The reversal of 19426113 is 31162491.

19426113 is a `hidden beast` number, since 1 + 9 + 42 + 611 + 3 = 666.

It is not a de Polignac number, because 19426113 - 2¹ = 19426111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19426111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6918 + ... + 9311.

It is an arithmetic number, because the mean of its divisors is an integer number (1406600).

Almost surely, 2^19426113 is an apocalyptic number.

It is an amenable number.

19426113 is a deficient number, since it is larger than the sum of its proper divisors (14332287).

19426113 is a wasteful number, since it uses less digits than its factorization.

19426113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16261 (or 16258 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 19426113 is about 4407.5064378853. The cubic root of 19426113 is about 268.8202435461.

The spelling of 19426113 in words is "nineteen million, four hundred twenty-six thousand, one hundred thirteen".