12270460 has 12 divisors (see below), whose sum is σ = 25768008. Its totient is φ = 4908176.

The previous prime is 12270443. The next prime is 12270473. The reversal of 12270460 is 6407221.

It is a super-2 number, since 2×12270460² = 301128377223200, 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 3 ways as a sum of consecutive naturals, for example, 306742 + ... + 306781.

It is an arithmetic number, because the mean of its divisors is an integer number (2147334).

Almost surely, 2^12270460 is an apocalyptic number.

12270460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12270460 is an abundant number, since it is smaller than the sum of its proper divisors (13497548).

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

12270460 is a wasteful number, since it uses less digits than its factorization.

12270460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613532 (or 613530 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12270460 is about 3502.9216377190. The cubic root of 12270460 is about 230.6500827100.

Adding to 12270460 its reverse (6407221), we get a palindrome (18677681).

The spelling of 12270460 in words is "twelve million, two hundred seventy thousand, four hundred sixty".