12511473 has 32 divisors (see below), whose sum is σ = 19305216. Its totient is φ = 7139328.

The previous prime is 12511463. The next prime is 12511489. The reversal of 12511473 is 37411521.

It is not a de Polignac number, because 12511473 - 2⁹ = 12510961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12511453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74836 + ... + 75002.

It is an arithmetic number, because the mean of its divisors is an integer number (603288).

Almost surely, 2^12511473 is an apocalyptic number.

12511473 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12511473 is a deficient number, since it is larger than the sum of its proper divisors (6793743).

12511473 is a wasteful number, since it uses less digits than its factorization.

12511473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313.

The product of its digits is 840, while the sum is 24.

The square root of 12511473 is about 3537.1560610185. The cubic root of 12511473 is about 232.1504238999.

Adding to 12511473 its reverse (37411521), we get a palindrome (49922994).

The spelling of 12511473 in words is "twelve million, five hundred eleven thousand, four hundred seventy-three".