11968749 has 48 divisors (see below), whose sum is σ = 19968960. Its totient is φ = 7076160.

The previous prime is 11968741. The next prime is 11968753. The reversal of 11968749 is 94786911.

It is a happy number.

It is not a de Polignac number, because 11968749 - 2³ = 11968741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11968741) 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 47 ways as a sum of consecutive naturals, for example, 196179 + ... + 196239.

It is an arithmetic number, because the mean of its divisors is an integer number (416020).

Almost surely, 2^11968749 is an apocalyptic number.

It is an amenable number.

11968749 is a deficient number, since it is larger than the sum of its proper divisors (8000211).

11968749 is a wasteful number, since it uses less digits than its factorization.

11968749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 120 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 11968749 is about 3459.5879812486. The cubic root of 11968749 is about 228.7439342654.

The spelling of 11968749 in words is "eleven million, nine hundred sixty-eight thousand, seven hundred forty-nine".