1163613 has 16 divisors (see below), whose sum is σ = 1740096. Its totient is φ = 685440.

The previous prime is 1163611. The next prime is 1163627. The reversal of 1163613 is 3163611.

It is not a de Polignac number, because 1163613 - 2¹ = 1163611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1163613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1163611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (108756).

2^1163613 is an apocalyptic number.

It is an amenable number.

1163613 is a deficient number, since it is larger than the sum of its proper divisors (576483).

1163613 is a wasteful number, since it uses less digits than its factorization.

1163613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004.

The product of its digits is 324, while the sum is 21.

The square root of 1163613 is about 1078.7089505515. The cubic root of 1163613 is about 105.1807318198.

The spelling of 1163613 in words is "one million, one hundred sixty-three thousand, six hundred thirteen".