19713974 has 12 divisors (see below), whose sum is σ = 34399044. Its totient is φ = 8448804.

The previous prime is 19713961. The next prime is 19714003. The reversal of 19713974 is 47931791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 100484 + ... + 100679.

It is an arithmetic number, because the mean of its divisors is an integer number (2866587).

Almost surely, 2^19713974 is an apocalyptic number.

19713974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19713974 is a deficient number, since it is larger than the sum of its proper divisors (14685070).

19713974 is a wasteful number, since it uses less digits than its factorization.

19713974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201179 (or 201172 counting only the distinct ones).

The product of its digits is 47628, while the sum is 41.

The square root of 19713974 is about 4440.0421169174. The cubic root of 19713974 is about 270.1415535750.

The spelling of 19713974 in words is "nineteen million, seven hundred thirteen thousand, nine hundred seventy-four".