11889537 has 8 divisors (see below), whose sum is σ = 17293920. Its totient is φ = 7205760.

The previous prime is 11889529. The next prime is 11889539. The reversal of 11889537 is 73598811.

11889537 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11889537 - 2³ = 11889529 is a prime.

It is a super-2 number, since 2×11889537² = 282722180148738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11889539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180112 + ... + 180177.

It is an arithmetic number, because the mean of its divisors is an integer number (2161740).

Almost surely, 2^11889537 is an apocalyptic number.

It is an amenable number.

11889537 is a deficient number, since it is larger than the sum of its proper divisors (5404383).

11889537 is a wasteful number, since it uses less digits than its factorization.

11889537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360303.

The product of its digits is 60480, while the sum is 42.

The square root of 11889537 is about 3448.1207925477. The cubic root of 11889537 is about 228.2381898287.

It can be divided in two parts, 1188 and 9537, that multiplied together give a square (11329956 = 3366²).

The spelling of 11889537 in words is "eleven million, eight hundred eighty-nine thousand, five hundred thirty-seven".