11877538 has 8 divisors (see below), whose sum is σ = 18060588. Its totient is φ = 5857344.

The previous prime is 11877533. The next prime is 11877539. The reversal of 11877538 is 83577811.

It is a happy number.

11877538 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 11471769 + 405769 = 3387^2 + 637^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11877538.

It is not an unprimeable number, because it can be changed into a prime (11877533) 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, 40531 + ... + 40822.

Almost surely, 2^11877538 is an apocalyptic number.

11877538 is a deficient number, since it is larger than the sum of its proper divisors (6183050).

11877538 is an equidigital number, since it uses as much as digits as its factorization.

11877538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81428.

The product of its digits is 47040, while the sum is 40.

The square root of 11877538 is about 3446.3804200929. The cubic root of 11877538 is about 228.1613841510.

The spelling of 11877538 in words is "eleven million, eight hundred seventy-seven thousand, five hundred thirty-eight".