19697052 has 24 divisors (see below), whose sum is σ = 46076800. Its totient is φ = 6548976.

The previous prime is 19697021. The next prime is 19697057. The reversal of 19697052 is 25079691.

It is a self number, because there is not a number n which added to its sum of digits gives 19697052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19697057) 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, 3399 + ... + 7137.

Almost surely, 2^19697052 is an apocalyptic number.

19697052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19697052 is an abundant number, since it is smaller than the sum of its proper divisors (26379748).

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

19697052 is a wasteful number, since it uses less digits than its factorization.

19697052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4185 (or 4183 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 19697052 is about 4438.1360952544. The cubic root of 19697052 is about 270.0642371163.

The spelling of 19697052 in words is "nineteen million, six hundred ninety-seven thousand, fifty-two".