11950138 has 8 divisors (see below), whose sum is σ = 17958420. Its totient is φ = 5964000.

The previous prime is 11950129. The next prime is 11950139. The reversal of 11950138 is 83105911.

11950138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10975969 + 974169 = 3313^2 + 987^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11950139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4113 + ... + 6388.

Almost surely, 2^11950138 is an apocalyptic number.

11950138 is a deficient number, since it is larger than the sum of its proper divisors (6008282).

11950138 is a wasteful number, since it uses less digits than its factorization.

11950138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11072.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 11950138 is about 3456.8971636426. The cubic root of 11950138 is about 228.6253097306.

The spelling of 11950138 in words is "eleven million, nine hundred fifty thousand, one hundred thirty-eight".