12472245 has 16 divisors (see below), whose sum is σ = 22173120. Its totient is φ = 6651792.

The previous prime is 12472211. The next prime is 12472247. The reversal of 12472245 is 54227421.

12472245 = 193² + 194² + ... + 354².

12472245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12472245 - 2⁶ = 12472181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12472247) 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, 46059 + ... + 46328.

It is an arithmetic number, because the mean of its divisors is an integer number (1385820).

Almost surely, 2^12472245 is an apocalyptic number.

12472245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12472245 is a deficient number, since it is larger than the sum of its proper divisors (9700875).

12472245 is an equidigital number, since it uses as much as digits as its factorization.

12472245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92401 (or 92395 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 12472245 is about 3531.6065749174. The cubic root of 12472245 is about 231.9075446603.

Adding to 12472245 its reverse (54227421), we get a palindrome (66699666).

The spelling of 12472245 in words is "twelve million, four hundred seventy-two thousand, two hundred forty-five".