12320037 has 12 divisors (see below), whose sum is σ = 18732480. Its totient is φ = 7780968.

The previous prime is 12320023. The next prime is 12320047. The reversal of 12320037 is 73002321.

It is not a de Polignac number, because 12320037 - 2¹¹ = 12317989 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12320017) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35853 + ... + 36194.

It is an arithmetic number, because the mean of its divisors is an integer number (1561040).

Almost surely, 2^12320037 is an apocalyptic number.

It is an amenable number.

12320037 is a deficient number, since it is larger than the sum of its proper divisors (6412443).

12320037 is a wasteful number, since it uses less digits than its factorization.

12320037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72072 (or 72069 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 12320037 is about 3509.9910256296. The cubic root of 12320037 is about 230.9603012681.

Adding to 12320037 its reverse (73002321), we get a palindrome (85322358).

The spelling of 12320037 in words is "twelve million, three hundred twenty thousand, thirty-seven".