12511412 has 12 divisors (see below), whose sum is σ = 22650180. Its totient is φ = 6039936.

The previous prime is 12511399. The next prime is 12511453. The reversal of 12511412 is 21411521.

It can be written as a sum of positive squares in 2 ways, for example, as 5134756 + 7376656 = 2266^2 + 2716^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53813 + ... + 54044.

It is an arithmetic number, because the mean of its divisors is an integer number (1887515).

Almost surely, 2^12511412 is an apocalyptic number.

It is an amenable number.

12511412 is a deficient number, since it is larger than the sum of its proper divisors (10138768).

12511412 is a wasteful number, since it uses less digits than its factorization.

12511412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107890 (or 107888 counting only the distinct ones).

The product of its digits is 80, while the sum is 17.

The square root of 12511412 is about 3537.1474382615. The cubic root of 12511412 is about 232.1500466142.

Adding to 12511412 its reverse (21411521), we get a palindrome (33922933).

The spelling of 12511412 in words is "twelve million, five hundred eleven thousand, four hundred twelve".