11513534 has 8 divisors (see below), whose sum is σ = 17342688. Its totient is φ = 5732640.

The previous prime is 11513527. The next prime is 11513587. The reversal of 11513534 is 43531511.

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

It is a super-2 number, since 2×11513534² = 265122930338312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11462 + ... + 12425.

It is an arithmetic number, because the mean of its divisors is an integer number (2167836).

Almost surely, 2^11513534 is an apocalyptic number.

11513534 is a deficient number, since it is larger than the sum of its proper divisors (5829154).

11513534 is a wasteful number, since it uses less digits than its factorization.

11513534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24130.

The product of its digits is 900, while the sum is 23.

The square root of 11513534 is about 3393.1598842377. The cubic root of 11513534 is about 225.8063838916.

The spelling of 11513534 in words is "eleven million, five hundred thirteen thousand, five hundred thirty-four".