12250315 has 32 divisors (see below), whose sum is σ = 18745344. Its totient is φ = 7463040.

The previous prime is 12250309. The next prime is 12250321. The reversal of 12250315 is 51305221.

It is an interprime number because it is at equal distance from previous prime (12250309) and next prime (12250321).

It is not a de Polignac number, because 12250315 - 2⁷ = 12250187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12250292 and 12250301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17757 + ... + 18433.

It is an arithmetic number, because the mean of its divisors is an integer number (585792).

Almost surely, 2^12250315 is an apocalyptic number.

12250315 is a deficient number, since it is larger than the sum of its proper divisors (6495029).

12250315 is a wasteful number, since it uses less digits than its factorization.

12250315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12250315 is about 3500.0449997107. The cubic root of 12250315 is about 230.5237904873.

Adding to 12250315 its reverse (51305221), we get a palindrome (63555536).

The spelling of 12250315 in words is "twelve million, two hundred fifty thousand, three hundred fifteen".