19962113 has 2 divisors, whose sum is σ = 19962114. Its totient is φ = 19962112.

The previous prime is 19962073. The next prime is 19962139. The reversal of 19962113 is 31126991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12902464 + 7059649 = 3592^2 + 2657^2 .

It is a cyclic number.

It is not a de Polignac number, because 19962113 - 2⁸ = 19961857 is a prime.

It is equal to p_1268366 and since 19962113 and 1268366 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19962113.

It is not a weakly prime, because it can be changed into another prime (19962193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9981056 + 9981057.

It is an arithmetic number, because the mean of its divisors is an integer number (9981057).

Almost surely, 2^19962113 is an apocalyptic number.

It is an amenable number.

19962113 is a deficient number, since it is larger than the sum of its proper divisors (1).

19962113 is an equidigital number, since it uses as much as digits as its factorization.

19962113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 32.

The square root of 19962113 is about 4467.8980516570. The cubic root of 19962113 is about 271.2702514133.

The spelling of 19962113 in words is "nineteen million, nine hundred sixty-two thousand, one hundred thirteen".