12251013 has 4 divisors (see below), whose sum is σ = 16334688. Its totient is φ = 8167340.

The previous prime is 12251011. The next prime is 12251039. The reversal of 12251013 is 31015221.

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 12251013 - 2¹ = 12251011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12250983 and 12251001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12251011) 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, 2041833 + ... + 2041838.

It is an arithmetic number, because the mean of its divisors is an integer number (4083672).

Almost surely, 2^12251013 is an apocalyptic number.

It is an amenable number.

12251013 is a deficient number, since it is larger than the sum of its proper divisors (4083675).

12251013 is an equidigital number, since it uses as much as digits as its factorization.

12251013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4083674.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12251013 is about 3500.1447112941. The cubic root of 12251013 is about 230.5281686753.

Adding to 12251013 its reverse (31015221), we get a palindrome (43266234).

The spelling of 12251013 in words is "twelve million, two hundred fifty-one thousand, thirteen".