12372270 has 32 divisors (see below), whose sum is σ = 30719520. Its totient is φ = 3185280.

The previous prime is 12372223. The next prime is 12372271. The reversal of 12372270 is 7227321.

It is a self number, because there is not a number n which added to its sum of digits gives 12372270.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12372271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6241 + ... + 7980.

It is an arithmetic number, because the mean of its divisors is an integer number (959985).

Almost surely, 2^12372270 is an apocalyptic number.

12372270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12372270 is an abundant number, since it is smaller than the sum of its proper divisors (18347250).

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

12372270 is a wasteful number, since it uses less digits than its factorization.

12372270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14260.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 12372270 is about 3517.4237731613. The cubic root of 12372270 is about 231.2862402419.

Adding to 12372270 its reverse (7227321), we get a palindrome (19599591).

The spelling of 12372270 in words is "twelve million, three hundred seventy-two thousand, two hundred seventy".