11968537 has 8 divisors (see below), whose sum is σ = 14398400. Its totient is φ = 9718704.

The previous prime is 11968507. The next prime is 11968547. The reversal of 11968537 is 73586911.

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

It is a cyclic number.

It is not a de Polignac number, because 11968537 - 2¹⁵ = 11935769 is a prime.

It is a super-3 number, since 3×11968537³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11968537.

It is not an unprimeable number, because it can be changed into a prime (11968507) 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, 44862 + ... + 45127.

It is an arithmetic number, because the mean of its divisors is an integer number (1799800).

Almost surely, 2^11968537 is an apocalyptic number.

It is an amenable number.

11968537 is a deficient number, since it is larger than the sum of its proper divisors (2429863).

11968537 is an equidigital number, since it uses as much as digits as its factorization.

11968537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90015.

The product of its digits is 45360, while the sum is 40.

The square root of 11968537 is about 3459.5573416262. The cubic root of 11968537 is about 228.7425836926.

The spelling of 11968537 in words is "eleven million, nine hundred sixty-eight thousand, five hundred thirty-seven".