19962713 has 2 divisors, whose sum is σ = 19962714. Its totient is φ = 19962712.

The previous prime is 19962661. The next prime is 19962757. The reversal of 19962713 is 31726991.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16875664 + 3087049 = 4108^2 + 1757^2 .

It is a cyclic number.

It is not a de Polignac number, because 19962713 - 2⁸ = 19962457 is a prime.

It is equal to p_1268399 and since 19962713 and 1268399 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (19962113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9981356 + 9981357.

It is an arithmetic number, because the mean of its divisors is an integer number (9981357).

Almost surely, 2^19962713 is an apocalyptic number.

It is an amenable number.

19962713 is a deficient number, since it is larger than the sum of its proper divisors (1).

19962713 is an equidigital number, since it uses as much as digits as its factorization.

19962713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 38.

The square root of 19962713 is about 4467.9651968206. The cubic root of 19962713 is about 271.2729692372.

The spelling of 19962713 in words is "nineteen million, nine hundred sixty-two thousand, seven hundred thirteen".