11988734 has 8 divisors (see below), whose sum is σ = 18929640. Its totient is φ = 5678856.

The previous prime is 11988721. The next prime is 11988737. The reversal of 11988734 is 43788911.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11988691 and 11988700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11988737) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157709 + ... + 157784.

It is an arithmetic number, because the mean of its divisors is an integer number (2366205).

Almost surely, 2^11988734 is an apocalyptic number.

11988734 is a deficient number, since it is larger than the sum of its proper divisors (6940906).

11988734 is a wasteful number, since it uses less digits than its factorization.

11988734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315514.

The product of its digits is 48384, while the sum is 41.

The square root of 11988734 is about 3462.4751262644. The cubic root of 11988734 is about 228.8711796851.

The spelling of 11988734 in words is "eleven million, nine hundred eighty-eight thousand, seven hundred thirty-four".