11951245 has 4 divisors (see below), whose sum is σ = 14341500. Its totient is φ = 9560992.

The previous prime is 11951243. The next prime is 11951263. The reversal of 11951245 is 54215911.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6007401 + 5943844 = 2451^2 + 2438^2 .

It is a cyclic number.

It is not a de Polignac number, because 11951245 - 2¹ = 11951243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11951243) 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 in 3 ways as a sum of consecutive naturals, for example, 1195120 + ... + 1195129.

It is an arithmetic number, because the mean of its divisors is an integer number (3585375).

Almost surely, 2^11951245 is an apocalyptic number.

It is an amenable number.

11951245 is a deficient number, since it is larger than the sum of its proper divisors (2390255).

11951245 is an equidigital number, since it uses as much as digits as its factorization.

11951245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2390254.

The product of its digits is 1800, while the sum is 28.

The square root of 11951245 is about 3457.0572746196. The cubic root of 11951245 is about 228.6323690746.

The spelling of 11951245 in words is "eleven million, nine hundred fifty-one thousand, two hundred forty-five".