11940651 has 6 divisors (see below), whose sum is σ = 17247620. Its totient is φ = 7960428.

The previous prime is 11940601. The next prime is 11940653. The reversal of 11940651 is 15604911.

11940651 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 0 + 651 = 666.

It is not a de Polignac number, because 11940651 - 2¹¹ = 11938603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11940653) 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 in 5 ways as a sum of consecutive naturals, for example, 663361 + ... + 663378.

Almost surely, 2^11940651 is an apocalyptic number.

11940651 is a deficient number, since it is larger than the sum of its proper divisors (5306969).

11940651 is a wasteful number, since it uses less digits than its factorization.

11940651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326745 (or 1326742 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 11940651 is about 3455.5247069005. The cubic root of 11940651 is about 228.5647932040.

The spelling of 11940651 in words is "eleven million, nine hundred forty thousand, six hundred fifty-one".