1189708412 has 12 divisors (see below), whose sum is σ = 2153782680. Its totient is φ = 574341936.

The previous prime is 1189708361. The next prime is 1189708453. The reversal of 1189708412 is 2148079811.

It is a super-2 number, since 2×1189708412² = 2830812211167123488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1189708412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5127938 + ... + 5128169.

It is an arithmetic number, because the mean of its divisors is an integer number (179481890).

Almost surely, 2^1189708412 is an apocalyptic number.

It is an amenable number.

1189708412 is a deficient number, since it is larger than the sum of its proper divisors (964074268).

1189708412 is a wasteful number, since it uses less digits than its factorization.

1189708412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10256140 (or 10256138 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 1189708412 is about 34492.1500054723. The cubic root of 1189708412 is about 1059.6119417304.

The spelling of 1189708412 in words is "one billion, one hundred eighty-nine million, seven hundred eight thousand, four hundred twelve".