11561962 has 8 divisors (see below), whose sum is σ = 18097056. Its totient is φ = 5529612.

The previous prime is 11561917. The next prime is 11561971. The reversal of 11561962 is 26916511.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 125628 + ... + 125719.

It is an arithmetic number, because the mean of its divisors is an integer number (2262132).

Almost surely, 2^11561962 is an apocalyptic number.

11561962 is a deficient number, since it is larger than the sum of its proper divisors (6535094).

11561962 is a wasteful number, since it uses less digits than its factorization.

11561962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251372.

The product of its digits is 3240, while the sum is 31.

The square root of 11561962 is about 3400.2885171703. The cubic root of 11561962 is about 226.1225351638.

The spelling of 11561962 in words is "eleven million, five hundred sixty-one thousand, nine hundred sixty-two".