11961245 has 4 divisors (see below), whose sum is σ = 14353500. Its totient is φ = 9568992.

The previous prime is 11961223. The next prime is 11961259. The reversal of 11961245 is 54216911.

11961245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 4502884 + 7458361 = 2122^2 + 2731^2 .

It is a cyclic number.

It is not a de Polignac number, because 11961245 - 2¹⁴ = 11944861 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 1196120 + ... + 1196129.

It is an arithmetic number, because the mean of its divisors is an integer number (3588375).

Almost surely, 2^11961245 is an apocalyptic number.

It is an amenable number.

11961245 is a deficient number, since it is larger than the sum of its proper divisors (2392255).

11961245 is an equidigital number, since it uses as much as digits as its factorization.

11961245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392254.

The product of its digits is 2160, while the sum is 29.

The square root of 11961245 is about 3458.5032889966. The cubic root of 11961245 is about 228.6961193730.

The spelling of 11961245 in words is "eleven million, nine hundred sixty-one thousand, two hundred forty-five".