11953139 has 8 divisors (see below), whose sum is σ = 13099968. Its totient is φ = 10816360.

The previous prime is 11953129. The next prime is 11953163. The reversal of 11953139 is 93135911.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11953139 - 2⁸ = 11952883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11953129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104 + ... + 4890.

It is an arithmetic number, because the mean of its divisors is an integer number (1637496).

Almost surely, 2^11953139 is an apocalyptic number.

11953139 is a deficient number, since it is larger than the sum of its proper divisors (1146829).

11953139 is a wasteful number, since it uses less digits than its factorization.

11953139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025.

The product of its digits is 3645, while the sum is 32.

The square root of 11953139 is about 3457.3311961685. The cubic root of 11953139 is about 228.6444461102.

It can be divided in two parts, 1195 and 3139, that added together give a palindrome (4334).

The spelling of 11953139 in words is "eleven million, nine hundred fifty-three thousand, one hundred thirty-nine".