12255430 has 32 divisors (see below), whose sum is σ = 24634368. Its totient is φ = 4351200.

The previous prime is 12255427. The next prime is 12255431. The reversal of 12255430 is 3455221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3435 + ... + 6025.

It is an arithmetic number, because the mean of its divisors is an integer number (769824).

Almost surely, 2^12255430 is an apocalyptic number.

12255430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12255430 is an abundant number, since it is smaller than the sum of its proper divisors (12378938).

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

12255430 is a wasteful number, since it uses less digits than its factorization.

12255430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 12255430 is about 3500.7756283430. The cubic root of 12255430 is about 230.5558703457. Note that the first 3 decimals are identical.

The spelling of 12255430 in words is "twelve million, two hundred fifty-five thousand, four hundred thirty".