19380713 has 4 divisors (see below), whose sum is σ = 21142608. Its totient is φ = 17618820.

The previous prime is 19380701. The next prime is 19380719. The reversal of 19380713 is 31708391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19380713 is a prime.

It is a super-2 number, since 2×19380713² = 751224072776738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19380713.

It is not an unprimeable number, because it can be changed into a prime (19380719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880931 + ... + 880952.

It is an arithmetic number, because the mean of its divisors is an integer number (5285652).

Almost surely, 2^19380713 is an apocalyptic number.

It is an amenable number.

19380713 is a deficient number, since it is larger than the sum of its proper divisors (1761895).

19380713 is a wasteful number, since it uses less digits than its factorization.

19380713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761894.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 19380713 is about 4402.3531207753. The cubic root of 19380713 is about 268.6106638097.

The spelling of 19380713 in words is "nineteen million, three hundred eighty thousand, seven hundred thirteen".