11803951 has 2 divisors, whose sum is σ = 11803952. Its totient is φ = 11803950.

The previous prime is 11803949. The next prime is 11803969. The reversal of 11803951 is 15930811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11803951 - 2¹ = 11803949 is a prime.

Together with 11803949, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11803931) 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, 5901975 + 5901976.

It is an arithmetic number, because the mean of its divisors is an integer number (5901976).

Almost surely, 2^11803951 is an apocalyptic number.

11803951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11803951 is an equidigital number, since it uses as much as digits as its factorization.

11803951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 11803951 is about 3435.6878496161. The cubic root of 11803951 is about 227.6892182574.

The spelling of 11803951 in words is "eleven million, eight hundred three thousand, nine hundred fifty-one".