12254040 has 48 divisors (see below), whose sum is σ = 39826800. Its totient is φ = 3267648.

The previous prime is 12254023. The next prime is 12254041. The reversal of 12254040 is 4045221.

12254040 is a `hidden beast` number, since 122 + 540 + 4 + 0 = 666.

It is a super-2 number, since 2×12254040² = 300322992643200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12254041) 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, 16660 + ... + 17379.

It is an arithmetic number, because the mean of its divisors is an integer number (829725).

Almost surely, 2^12254040 is an apocalyptic number.

12254040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12254040 is an abundant number, since it is smaller than the sum of its proper divisors (27572760).

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

12254040 is a wasteful number, since it uses less digits than its factorization.

12254040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34056 (or 34049 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12254040 is about 3500.5770952801. The cubic root of 12254040 is about 230.5471535354.

Adding to 12254040 its reverse (4045221), we get a palindrome (16299261).

The spelling of 12254040 in words is "twelve million, two hundred fifty-four thousand, forty".