11613487 has 4 divisors (see below), whose sum is σ = 11625120. Its totient is φ = 11601856.

The previous prime is 11613473. The next prime is 11613509. The reversal of 11613487 is 78431611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78431611 = 1693 ⋅46327.

It is a cyclic number.

It is not a de Polignac number, because 11613487 - 2⁷ = 11613359 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 (11613457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4162 + ... + 6367.

It is an arithmetic number, because the mean of its divisors is an integer number (2906280).

Almost surely, 2^11613487 is an apocalyptic number.

11613487 is a deficient number, since it is larger than the sum of its proper divisors (11633).

11613487 is a wasteful number, since it uses less digits than its factorization.

11613487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11632.

The product of its digits is 4032, while the sum is 31.

The square root of 11613487 is about 3407.8566577836. The cubic root of 11613487 is about 226.4579366910.

It can be divided in two parts, 11613 and 487, that added together give a square (12100 = 110²).

The spelling of 11613487 in words is "eleven million, six hundred thirteen thousand, four hundred eighty-seven".