1189450713 has 32 divisors (see below), whose sum is σ = 1876597632. Its totient is φ = 661913600.

The previous prime is 1189450709. The next prime is 1189450721. The reversal of 1189450713 is 3170549811.

It is a cyclic number.

It is not a de Polignac number, because 1189450713 - 2² = 1189450709 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1189450783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2856 + ... + 48857.

It is an arithmetic number, because the mean of its divisors is an integer number (58643676).

Almost surely, 2^1189450713 is an apocalyptic number.

It is an amenable number.

1189450713 is a deficient number, since it is larger than the sum of its proper divisors (687146919).

1189450713 is a wasteful number, since it uses less digits than its factorization.

1189450713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51785.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1189450713 is about 34488.4141850564. The cubic root of 1189450713 is about 1059.5354298016.

The spelling of 1189450713 in words is "one billion, one hundred eighty-nine million, four hundred fifty thousand, seven hundred thirteen".