12254820 has 48 divisors (see below), whose sum is σ = 35501760. Its totient is φ = 3154816.

The previous prime is 12254797. The next prime is 12254843. The reversal of 12254820 is 2845221.

It is an interprime number because it is at equal distance from previous prime (12254797) and next prime (12254843).

It is a super-2 number, since 2×12254820² = 300361226464800, which contains 22 as substring.

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, 1782 + ... + 5261.

It is an arithmetic number, because the mean of its divisors is an integer number (739620).

Almost surely, 2^12254820 is an apocalyptic number.

12254820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12254820 is an abundant number, since it is smaller than the sum of its proper divisors (23246940).

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

12254820 is a wasteful number, since it uses less digits than its factorization.

12254820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084 (or 7082 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 12254820 is about 3500.6885037089. The cubic root of 12254820 is about 230.5520450641.

The spelling of 12254820 in words is "twelve million, two hundred fifty-four thousand, eight hundred twenty".