12118477 has 8 divisors (see below), whose sum is σ = 13931136. Its totient is φ = 10326192.

The previous prime is 12118471. The next prime is 12118481. The reversal of 12118477 is 77481121.

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 12118477 - 2⁷ = 12118349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12118471) 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, 3793 + ... + 6214.

It is an arithmetic number, because the mean of its divisors is an integer number (1741392).

Almost surely, 2^12118477 is an apocalyptic number.

It is an amenable number.

12118477 is a deficient number, since it is larger than the sum of its proper divisors (1812659).

12118477 is a wasteful number, since it uses less digits than its factorization.

12118477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10187.

The product of its digits is 3136, while the sum is 31.

The square root of 12118477 is about 3481.1602950740. The cubic root of 12118477 is about 229.6938396479.

Adding to 12118477 its reverse (77481121), we get a palindrome (89599598).

The spelling of 12118477 in words is "twelve million, one hundred eighteen thousand, four hundred seventy-seven".