11721034 has 8 divisors (see below), whose sum is σ = 18934020. Its totient is φ = 5409696.

The previous prime is 11721029. The next prime is 11721037. The reversal of 11721034 is 43012711.

11721034 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11580409 + 140625 = 3403^2 + 375^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11721037) 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, 225379 + ... + 225430.

Almost surely, 2^11721034 is an apocalyptic number.

11721034 is a deficient number, since it is larger than the sum of its proper divisors (7212986).

11721034 is a wasteful number, since it uses less digits than its factorization.

11721034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450824.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 11721034 is about 3423.5995677065. The cubic root of 11721034 is about 227.1548297799.

Adding to 11721034 its reverse (43012711), we get a palindrome (54733745).

The spelling of 11721034 in words is "eleven million, seven hundred twenty-one thousand, thirty-four".