19812483 has 6 divisors (see below), whose sum is σ = 28618044. Its totient is φ = 13208316.

The previous prime is 19812473. The next prime is 19812491. The reversal of 19812483 is 38421891.

It is not a de Polignac number, because 19812483 - 2⁵ = 19812451 is a prime.

It is a super-3 number, since 3×19812483³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (19812433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1100685 + ... + 1100702.

It is an arithmetic number, because the mean of its divisors is an integer number (4769674).

Almost surely, 2^19812483 is an apocalyptic number.

19812483 is a deficient number, since it is larger than the sum of its proper divisors (8805561).

19812483 is a wasteful number, since it uses less digits than its factorization.

19812483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201393 (or 2201390 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 19812483 is about 4451.1215440606. The cubic root of 19812483 is about 270.5907640697.

The spelling of 19812483 in words is "nineteen million, eight hundred twelve thousand, four hundred eighty-three".