11734987 has 4 divisors (see below), whose sum is σ = 12801816. Its totient is φ = 10668160.

The previous prime is 11734973. The next prime is 11734999. The reversal of 11734987 is 78943711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11734987 - 2¹⁵ = 11702219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11734907) 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, 533398 + ... + 533419.

It is an arithmetic number, because the mean of its divisors is an integer number (3200454).

Almost surely, 2^11734987 is an apocalyptic number.

11734987 is a deficient number, since it is larger than the sum of its proper divisors (1066829).

11734987 is a wasteful number, since it uses less digits than its factorization.

11734987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066828.

The product of its digits is 42336, while the sum is 40.

The square root of 11734987 is about 3425.6367291352. The cubic root of 11734987 is about 227.2449308890.

It can be divided in two parts, 11734 and 987, that added together give a palindrome (12721).

The spelling of 11734987 in words is "eleven million, seven hundred thirty-four thousand, nine hundred eighty-seven".