12402315 has 40 divisors (see below), whose sum is σ = 22511808. Its totient is φ = 6531840.

The previous prime is 12402311. The next prime is 12402349. The reversal of 12402315 is 51320421.

It is not a de Polignac number, because 12402315 - 2² = 12402311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12402311) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 45630 + ... + 45900.

Almost surely, 2^12402315 is an apocalyptic number.

12402315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12402315 is a deficient number, since it is larger than the sum of its proper divisors (10109493).

12402315 is a wasteful number, since it uses less digits than its factorization.

12402315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12402315 is about 3521.6920649029. The cubic root of 12402315 is about 231.4733085178.

Adding to 12402315 its reverse (51320421), we get a palindrome (63722736).

The spelling of 12402315 in words is "twelve million, four hundred two thousand, three hundred fifteen".