19707696 has 30 divisors (see below), whose sum is σ = 55154580. Its totient is φ = 6569184.

The previous prime is 19707691. The next prime is 19707703. The reversal of 19707696 is 69670791.

It is not an unprimeable number, because it can be changed into a prime (19707691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68286 + ... + 68573.

It is an arithmetic number, because the mean of its divisors is an integer number (1838486).

Almost surely, 2^19707696 is an apocalyptic number.

19707696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19707696 is an abundant number, since it is smaller than the sum of its proper divisors (35446884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19707696 is a wasteful number, since it uses less digits than its factorization.

19707696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136873 (or 136864 counting only the distinct ones).

The product of its (nonzero) digits is 142884, while the sum is 45.

The square root of 19707696 is about 4439.3350853478. The cubic root of 19707696 is about 270.1128746164.

The spelling of 19707696 in words is "nineteen million, seven hundred seven thousand, six hundred ninety-six".