1189413 has 6 divisors (see below), whose sum is σ = 1718054. Its totient is φ = 792936.

The previous prime is 1189403. The next prime is 1189417. The reversal of 1189413 is 3149811.

It can be written as a sum of positive squares in only one way, i.e., 1046529 + 142884 = 1023^2 + 378^2 .

It is not a de Polignac number, because 1189413 - 2¹⁰ = 1188389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1189417) 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, 66070 + ... + 66087.

2^1189413 is an apocalyptic number.

It is an amenable number.

1189413 is a deficient number, since it is larger than the sum of its proper divisors (528641).

1189413 is a wasteful number, since it uses less digits than its factorization.

1189413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132163 (or 132160 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 1189413 is about 1090.6021272673. The cubic root of 1189413 is about 105.9524231725.

The spelling of 1189413 in words is "one million, one hundred eighty-nine thousand, four hundred thirteen".