12484215 has 12 divisors (see below), whose sum is σ = 21639384. Its totient is φ = 6658224.

The previous prime is 12484211. The next prime is 12484217. The reversal of 12484215 is 51248421.

It is not a de Polignac number, because 12484215 - 2² = 12484211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12484211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138669 + ... + 138758.

It is an arithmetic number, because the mean of its divisors is an integer number (1803282).

Almost surely, 2^12484215 is an apocalyptic number.

12484215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12484215 is a deficient number, since it is larger than the sum of its proper divisors (9155169).

12484215 is a wasteful number, since it uses less digits than its factorization.

12484215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277438 (or 277435 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 12484215 is about 3533.3008646307. The cubic root of 12484215 is about 231.9817105578.

The spelling of 12484215 in words is "twelve million, four hundred eighty-four thousand, two hundred fifteen".