11990751 has 8 divisors (see below), whose sum is σ = 16682880. Its totient is φ = 7646232.

The previous prime is 11990749. The next prime is 11990777. The reversal of 11990751 is 15709911.

It is a happy number.

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

It is not a de Polignac number, because 11990751 - 2¹ = 11990749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11990791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86821 + ... + 86958.

It is an arithmetic number, because the mean of its divisors is an integer number (2085360).

Almost surely, 2^11990751 is an apocalyptic number.

11990751 is a deficient number, since it is larger than the sum of its proper divisors (4692129).

11990751 is a wasteful number, since it uses less digits than its factorization.

11990751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173805.

The product of its (nonzero) digits is 2835, while the sum is 33.

The square root of 11990751 is about 3462.7663796450. The cubic root of 11990751 is about 228.8840141591.

The spelling of 11990751 in words is "eleven million, nine hundred ninety thousand, seven hundred fifty-one".