11951473 has 2 divisors, whose sum is σ = 11951474. Its totient is φ = 11951472.

The previous prime is 11951413. The next prime is 11951477. The reversal of 11951473 is 37415911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6036849 + 5914624 = 2457^2 + 2432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11951473 is a prime.

It is not a weakly prime, because it can be changed into another prime (11951477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5975736 + 5975737.

It is an arithmetic number, because the mean of its divisors is an integer number (5975737).

Almost surely, 2^11951473 is an apocalyptic number.

It is an amenable number.

11951473 is a deficient number, since it is larger than the sum of its proper divisors (1).

11951473 is an equidigital number, since it uses as much as digits as its factorization.

11951473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 11951473 is about 3457.0902504852. The cubic root of 11951473 is about 228.6338229775.

The spelling of 11951473 in words is "eleven million, nine hundred fifty-one thousand, four hundred seventy-three".