1115613 has 12 divisors (see below), whose sum is σ = 1671488. Its totient is φ = 743580.

The previous prime is 1115599. The next prime is 1115627. The reversal of 1115613 is 3165111.

It is an interprime number because it is at equal distance from previous prime (1115599) and next prime (1115627).

It is not a de Polignac number, because 1115613 - 2⁵ = 1115581 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 (1115633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2053 + ... + 2538.

2^1115613 is an apocalyptic number.

It is an amenable number.

1115613 is a deficient number, since it is larger than the sum of its proper divisors (555875).

1115613 is an frugal number, since it uses more digits than its factorization.

1115613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606 (or 4594 counting only the distinct ones).

The product of its digits is 90, while the sum is 18.

The square root of 1115613 is about 1056.2258281258. The cubic root of 1115613 is about 103.7141125213.

It can be divided in two parts, 1115 and 613, that added together give a cube (1728 = 12³).

The spelling of 1115613 in words is "one million, one hundred fifteen thousand, six hundred thirteen".