11951284 has 6 divisors (see below), whose sum is σ = 20914754. Its totient is φ = 5975640.

The previous prime is 11951263. The next prime is 11951287. The reversal of 11951284 is 48215911.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6615184 + 5336100 = 2572^2 + 2310^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11951287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1493907 + ... + 1493914.

Almost surely, 2^11951284 is an apocalyptic number.

It is an amenable number.

11951284 is a deficient number, since it is larger than the sum of its proper divisors (8963470).

11951284 is a wasteful number, since it uses less digits than its factorization.

11951284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987825 (or 2987823 counting only the distinct ones).

The product of its digits is 2880, while the sum is 31.

The square root of 11951284 is about 3457.0629152505. The cubic root of 11951284 is about 228.6326177698.

The spelling of 11951284 in words is "eleven million, nine hundred fifty-one thousand, two hundred eighty-four".