1196640372 has 12 divisors (see below), whose sum is σ = 2792160896. Its totient is φ = 398880120.

The previous prime is 1196640293. The next prime is 1196640377. The reversal of 1196640372 is 2730466911.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1196640372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1196640377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49860004 + ... + 49860027.

Almost surely, 2^1196640372 is an apocalyptic number.

1196640372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1196640372 is an abundant number, since it is smaller than the sum of its proper divisors (1595520524).

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

1196640372 is a wasteful number, since it uses less digits than its factorization.

1196640372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99720038 (or 99720036 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 1196640372 is about 34592.4901098490. The cubic root of 1196640372 is about 1061.6659373952.

The spelling of 1196640372 in words is "one billion, one hundred ninety-six million, six hundred forty thousand, three hundred seventy-two".