11893513 has 4 divisors (see below), whose sum is σ = 12009088. Its totient is φ = 11777940.

The previous prime is 11893501. The next prime is 11893517. The reversal of 11893513 is 31539811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11893513 - 2¹⁷ = 11762441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11893517) 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, 57633 + ... + 57838.

It is an arithmetic number, because the mean of its divisors is an integer number (3002272).

Almost surely, 2^11893513 is an apocalyptic number.

It is an amenable number.

11893513 is a deficient number, since it is larger than the sum of its proper divisors (115575).

11893513 is a wasteful number, since it uses less digits than its factorization.

11893513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115574.

The product of its digits is 3240, while the sum is 31.

The square root of 11893513 is about 3448.6972902822. The cubic root of 11893513 is about 228.2636288317.

The spelling of 11893513 in words is "eleven million, eight hundred ninety-three thousand, five hundred thirteen".