12147486 has 32 divisors (see below), whose sum is σ = 27705888. Its totient is φ = 3517440.

The previous prime is 12147463. The next prime is 12147529. The reversal of 12147486 is 68474121.

It is a super-2 number, since 2×12147486² = 295122832240392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3255 + ... + 5906.

It is an arithmetic number, because the mean of its divisors is an integer number (865809).

Almost surely, 2^12147486 is an apocalyptic number.

12147486 is an abundant number, since it is smaller than the sum of its proper divisors (15558402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12147486 is a wasteful number, since it uses less digits than its factorization.

12147486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9196.

The product of its digits is 10752, while the sum is 33.

The square root of 12147486 is about 3485.3243751479. The cubic root of 12147486 is about 229.8769726415.

The spelling of 12147486 in words is "twelve million, one hundred forty-seven thousand, four hundred eighty-six".