11896642 has 16 divisors (see below), whose sum is σ = 18597600. Its totient is φ = 5702560.

The previous prime is 11896637. The next prime is 11896649. The reversal of 11896642 is 24669811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11896649) 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 7 ways as a sum of consecutive naturals, for example, 3609 + ... + 6067.

It is an arithmetic number, because the mean of its divisors is an integer number (1162350).

Almost surely, 2^11896642 is an apocalyptic number.

11896642 is a deficient number, since it is larger than the sum of its proper divisors (6700958).

11896642 is a wasteful number, since it uses less digits than its factorization.

11896642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561.

The product of its digits is 20736, while the sum is 37.

The square root of 11896642 is about 3449.1509100067. The cubic root of 11896642 is about 228.2836446244.

The spelling of 11896642 in words is "eleven million, eight hundred ninety-six thousand, six hundred forty-two".