12315037 has 4 divisors (see below), whose sum is σ = 14074336. Its totient is φ = 10555740.

The previous prime is 12315013. The next prime is 12315077. The reversal of 12315037 is 73051321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73051321 = 7 ⋅10435903.

It is a cyclic number.

It is not a de Polignac number, because 12315037 - 2⁷ = 12314909 is a prime.

It is a super-2 number, since 2×12315037² = 303320272622738, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12314999 and 12315017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12315077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879639 + ... + 879652.

It is an arithmetic number, because the mean of its divisors is an integer number (3518584).

Almost surely, 2^12315037 is an apocalyptic number.

It is an amenable number.

12315037 is a deficient number, since it is larger than the sum of its proper divisors (1759299).

12315037 is an equidigital number, since it uses as much as digits as its factorization.

12315037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759298.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 12315037 is about 3509.2787008159. The cubic root of 12315037 is about 230.9290525047.

Adding to 12315037 its reverse (73051321), we get a palindrome (85366358).

The spelling of 12315037 in words is "twelve million, three hundred fifteen thousand, thirty-seven".