11087613 has 12 divisors (see below), whose sum is σ = 16132480. Its totient is φ = 7337736.

The previous prime is 11087603. The next prime is 11087623. The reversal of 11087613 is 31678011.

It is an interprime number because it is at equal distance from previous prime (11087603) and next prime (11087623).

It is not a de Polignac number, because 11087613 - 2⁴ = 11087597 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 (11087603) 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, 3181 + ... + 5682.

Almost surely, 2^11087613 is an apocalyptic number.

It is an amenable number.

11087613 is a deficient number, since it is larger than the sum of its proper divisors (5044867).

11087613 is a wasteful number, since it uses less digits than its factorization.

11087613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9008 (or 9005 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 11087613 is about 3329.8067511494. The cubic root of 11087613 is about 222.9869015747.

It can be divided in two parts, 110876 and 13, that added together give a square (110889 = 333²).

The spelling of 11087613 in words is "eleven million, eighty-seven thousand, six hundred thirteen".