19290713 has 8 divisors (see below), whose sum is σ = 21491400. Its totient is φ = 17192448.

The previous prime is 19290679. The next prime is 19290743. The reversal of 19290713 is 31709291.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 44944 + 19245769 = 212^2 + 4387^2 .

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

It is not a de Polignac number, because 19290713 - 2²² = 15096409 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 19290713.

It is not an unprimeable number, because it can be changed into a prime (19290743) 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, 25208 + ... + 25961.

It is an arithmetic number, because the mean of its divisors is an integer number (2686425).

Almost surely, 2^19290713 is an apocalyptic number.

19290713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

19290713 is a deficient number, since it is larger than the sum of its proper divisors (2200687).

19290713 is a wasteful number, since it uses less digits than its factorization.

19290713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51211.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 19290713 is about 4392.1194200522. The cubic root of 19290713 is about 268.1942278450.

The spelling of 19290713 in words is "nineteen million, two hundred ninety thousand, seven hundred thirteen".