1188013 has 8 divisors (see below), whose sum is σ = 1291520. Its totient is φ = 1088640.

The previous prime is 1188007. The next prime is 1188017. The reversal of 1188013 is 3108811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1188013 - 2⁵ = 1187981 is a prime.

It is a super-2 number, since 2×1188013² = 2822749776338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1188017) 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, 420 + ... + 1597.

It is an arithmetic number, because the mean of its divisors is an integer number (161440).

2^1188013 is an apocalyptic number.

It is an amenable number.

1188013 is a deficient number, since it is larger than the sum of its proper divisors (103507).

1188013 is a wasteful number, since it uses less digits than its factorization.

1188013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1188013 is about 1089.9600910125. The cubic root of 1188013 is about 105.9108363760.

The spelling of 1188013 in words is "one million, one hundred eighty-eight thousand, thirteen".