12506351 has 16 divisors (see below), whose sum is σ = 15469440. Its totient is φ = 9940320.

The previous prime is 12506341. The next prime is 12506381. The reversal of 12506351 is 15360521.

It is not a de Polignac number, because 12506351 - 2¹⁰ = 12505327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12506311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 416 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (966840).

Almost surely, 2^12506351 is an apocalyptic number.

12506351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12506351 is a deficient number, since it is larger than the sum of its proper divisors (2963089).

12506351 is a wasteful number, since it uses less digits than its factorization.

12506351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 12506351 is about 3536.4319589100. The cubic root of 12506351 is about 232.1187400001.

Adding to 12506351 its reverse (15360521), we get a palindrome (27866872).

The spelling of 12506351 in words is "twelve million, five hundred six thousand, three hundred fifty-one".