11800457 has 2 divisors, whose sum is σ = 11800458. Its totient is φ = 11800456.

The previous prime is 11800441. The next prime is 11800469. The reversal of 11800457 is 75400811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10086976 + 1713481 = 3176^2 + 1309^2 .

It is a cyclic number.

It is not a de Polignac number, because 11800457 - 2⁴ = 11800441 is a prime.

It is not a weakly prime, because it can be changed into another prime (11800417) 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 as a sum of consecutive naturals, namely, 5900228 + 5900229.

It is an arithmetic number, because the mean of its divisors is an integer number (5900229).

Almost surely, 2^11800457 is an apocalyptic number.

It is an amenable number.

11800457 is a deficient number, since it is larger than the sum of its proper divisors (1).

11800457 is an equidigital number, since it uses as much as digits as its factorization.

11800457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 11800457 is about 3435.1793257412. The cubic root of 11800457 is about 227.6667505081. Note that the first 3 decimals are identical.

The spelling of 11800457 in words is "eleven million, eight hundred thousand, four hundred fifty-seven".