12115412 has 12 divisors (see below), whose sum is σ = 21240660. Its totient is φ = 6046656.

The previous prime is 12115399. The next prime is 12115421. The reversal of 12115412 is 21451121.

It can be written as a sum of positive squares in 2 ways, for example, as 6574096 + 5541316 = 2564^2 + 2354^2 .

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, 14 + ... + 4922.

It is an arithmetic number, because the mean of its divisors is an integer number (1770055).

Almost surely, 2^12115412 is an apocalyptic number.

It is an amenable number.

12115412 is a deficient number, since it is larger than the sum of its proper divisors (9125248).

12115412 is a wasteful number, since it uses less digits than its factorization.

12115412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530 (or 5528 counting only the distinct ones).

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

The square root of 12115412 is about 3480.7200404514. The cubic root of 12115412 is about 229.6744733260.

Adding to 12115412 its reverse (21451121), we get a palindrome (33566533).

The spelling of 12115412 in words is "twelve million, one hundred fifteen thousand, four hundred twelve".