12253530 has 32 divisors (see below), whose sum is σ = 29548800. Its totient is φ = 3252032.

The previous prime is 12253529. The next prime is 12253531. The reversal of 12253530 is 3535221.

It is an interprime number because it is at equal distance from previous prime (12253529) and next prime (12253531).

It is a junction number, because it is equal to n+sod(n) for n = 12253497 and 12253506.

It is not an unprimeable number, because it can be changed into a prime (12253531) 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, 6316 + ... + 8024.

It is an arithmetic number, because the mean of its divisors is an integer number (923400).

Almost surely, 2^12253530 is an apocalyptic number.

12253530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12253530 is an abundant number, since it is smaller than the sum of its proper divisors (17295270).

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

12253530 is a wasteful number, since it uses less digits than its factorization.

12253530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 12253530 is about 3500.5042493904. The cubic root of 12253530 is about 230.5439551160.

Adding to 12253530 its reverse (3535221), we get a palindrome (15788751).

The spelling of 12253530 in words is "twelve million, two hundred fifty-three thousand, five hundred thirty".