11994251 has 4 divisors (see below), whose sum is σ = 12104400. Its totient is φ = 11884104.

The previous prime is 11994239. The next prime is 11994277. The reversal of 11994251 is 15249911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11994251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11994211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54911 + ... + 55128.

It is an arithmetic number, because the mean of its divisors is an integer number (3026100).

Almost surely, 2^11994251 is an apocalyptic number.

11994251 is a deficient number, since it is larger than the sum of its proper divisors (110149).

11994251 is a wasteful number, since it uses less digits than its factorization.

11994251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110148.

The product of its digits is 3240, while the sum is 32.

The square root of 11994251 is about 3463.2717190541. The cubic root of 11994251 is about 228.9062817695.

The spelling of 11994251 in words is "eleven million, nine hundred ninety-four thousand, two hundred fifty-one".