12103501 has 2 divisors, whose sum is σ = 12103502. Its totient is φ = 12103500.

The previous prime is 12103493. The next prime is 12103517. The reversal of 12103501 is 10530121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11737476 + 366025 = 3426^2 + 605^2 .

It is a cyclic number.

It is not a de Polignac number, because 12103501 - 2³ = 12103493 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051750 + 6051751.

It is an arithmetic number, because the mean of its divisors is an integer number (6051751).

Almost surely, 2^12103501 is an apocalyptic number.

It is an amenable number.

12103501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103501 is an equidigital number, since it uses as much as digits as its factorization.

12103501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 12103501 is about 3479.0086231569. The cubic root of 12103501 is about 229.5991821833.

Adding to 12103501 its reverse (10530121), we get a palindrome (22633622).

The spelling of 12103501 in words is "twelve million, one hundred three thousand, five hundred one".