19906701 has 8 divisors (see below), whose sum is σ = 26705760. Its totient is φ = 13189392.

The previous prime is 19906697. The next prime is 19906723. The reversal of 19906701 is 10760991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19906701 - 2² = 19906697 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19906751) 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, 19866 + ... + 20843.

It is an arithmetic number, because the mean of its divisors is an integer number (3338220).

Almost surely, 2^19906701 is an apocalyptic number.

It is an amenable number.

19906701 is a deficient number, since it is larger than the sum of its proper divisors (6799059).

19906701 is a wasteful number, since it uses less digits than its factorization.

19906701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40875.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 19906701 is about 4461.6926160371. The cubic root of 19906701 is about 271.0190161989.

The spelling of 19906701 in words is "nineteen million, nine hundred six thousand, seven hundred one".