12893237 has 4 divisors (see below), whose sum is σ = 14735136. Its totient is φ = 11051340.

The previous prime is 12893233. The next prime is 12893261. The reversal of 12893237 is 73239821.

12893237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 12893237 - 2² = 12893233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12893197 and 12893206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12893233) 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, 920939 + ... + 920952.

It is an arithmetic number, because the mean of its divisors is an integer number (3683784).

Almost surely, 2^12893237 is an apocalyptic number.

It is an amenable number.

12893237 is a deficient number, since it is larger than the sum of its proper divisors (1841899).

12893237 is an equidigital number, since it uses as much as digits as its factorization.

12893237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841898.

The product of its digits is 18144, while the sum is 35.

The square root of 12893237 is about 3590.7153883314. The cubic root of 12893237 is about 234.4880177183.

The spelling of 12893237 in words is "twelve million, eight hundred ninety-three thousand, two hundred thirty-seven".