12315294 has 16 divisors (see below), whose sum is σ = 27367440. Its totient is φ = 4105080.

The previous prime is 12315283. The next prime is 12315299. The reversal of 12315294 is 49251321.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113977 + ... + 114084.

It is an arithmetic number, because the mean of its divisors is an integer number (1710465).

Almost surely, 2^12315294 is an apocalyptic number.

12315294 is an abundant number, since it is smaller than the sum of its proper divisors (15052146).

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

12315294 is a wasteful number, since it uses less digits than its factorization.

12315294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228072 (or 228066 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12315294 is about 3509.3153178362. The cubic root of 12315294 is about 230.9306588973.

The spelling of 12315294 in words is "twelve million, three hundred fifteen thousand, two hundred ninety-four".