12551313 has 16 divisors (see below), whose sum is σ = 17265600. Its totient is φ = 8105664.

The previous prime is 12551291. The next prime is 12551317. The reversal of 12551313 is 31315521.

12551313 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12551313 - 2¹³ = 12543121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12551313.

It is not an unprimeable number, because it can be changed into a prime (12551317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18895 + ... + 19547.

It is an arithmetic number, because the mean of its divisors is an integer number (1079100).

Almost surely, 2^12551313 is an apocalyptic number.

It is an amenable number.

12551313 is a deficient number, since it is larger than the sum of its proper divisors (4714287).

12551313 is a wasteful number, since it uses less digits than its factorization.

12551313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848.

The product of its digits is 450, while the sum is 21.

The square root of 12551313 is about 3542.7832279156. The cubic root of 12551313 is about 232.3965732602.

Adding to 12551313 its reverse (31315521), we get a palindrome (43866834).

The spelling of 12551313 in words is "twelve million, five hundred fifty-one thousand, three hundred thirteen".