11896138 has 4 divisors (see below), whose sum is σ = 17844210. Its totient is φ = 5948068.

The previous prime is 11896133. The next prime is 11896139. The reversal of 11896138 is 83169811.

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

It can be written as a sum of positive squares in only one way, i.e., 6265009 + 5631129 = 2503^2 + 2373^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11896097 and 11896106.

It is not an unprimeable number, because it can be changed into a prime (11896133) 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 as a sum of consecutive naturals, namely, 2974033 + ... + 2974036.

Almost surely, 2^11896138 is an apocalyptic number.

11896138 is a deficient number, since it is larger than the sum of its proper divisors (5948072).

11896138 is an equidigital number, since it uses as much as digits as its factorization.

11896138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5948071.

The product of its digits is 10368, while the sum is 37.

The square root of 11896138 is about 3449.0778477732. The cubic root of 11896138 is about 228.2804208412.

The spelling of 11896138 in words is "eleven million, eight hundred ninety-six thousand, one hundred thirty-eight".