19697314 has 24 divisors (see below), whose sum is σ = 37016028. Its totient is φ = 7791840.

The previous prime is 19697303. The next prime is 19697329. The reversal of 19697314 is 41379691.

It can be written as a sum of positive squares in 2 ways, for example, as 17347225 + 2350089 = 4165^2 + 1533^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6457 + ... + 9004.

Almost surely, 2^19697314 is an apocalyptic number.

19697314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19697314 is a deficient number, since it is larger than the sum of its proper divisors (17318714).

19697314 is a wasteful number, since it uses less digits than its factorization.

19697314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490 (or 15483 counting only the distinct ones).

The product of its digits is 40824, while the sum is 40.

The square root of 19697314 is about 4438.1656120519. The cubic root of 19697314 is about 270.0654345293.

The spelling of 19697314 in words is "nineteen million, six hundred ninety-seven thousand, three hundred fourteen".