10961947 has 4 divisors (see below), whose sum is σ = 11216920. Its totient is φ = 10706976.

The previous prime is 10961933. The next prime is 10961959. The reversal of 10961947 is 74916901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74916901 = 8093 ⋅9257.

It is a cyclic number.

It is not a de Polignac number, because 10961947 - 2¹⁵ = 10929179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10961927) 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 in 3 ways as a sum of consecutive naturals, for example, 127422 + ... + 127507.

It is an arithmetic number, because the mean of its divisors is an integer number (2804230).

Almost surely, 2^10961947 is an apocalyptic number.

10961947 is a deficient number, since it is larger than the sum of its proper divisors (254973).

10961947 is an equidigital number, since it uses as much as digits as its factorization.

10961947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254972.

The product of its (nonzero) digits is 13608, while the sum is 37.

The square root of 10961947 is about 3310.8831148200. The cubic root of 10961947 is about 222.1412609054.

The spelling of 10961947 in words is "ten million, nine hundred sixty-one thousand, nine hundred forty-seven".