12115446 has 60 divisors (see below), whose sum is σ = 29276052. Its totient is φ = 3342192.

The previous prime is 12115421. The next prime is 12115463. The reversal of 12115446 is 64451121.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 417760 + ... + 417788.

Almost surely, 2^12115446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12115446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14638026).

12115446 is an abundant number, since it is smaller than the sum of its proper divisors (17160606).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12115446 is an frugal number, since it uses more digits than its factorization.

12115446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 41 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 12115446 is about 3480.7249244949. The cubic root of 12115446 is about 229.6746881743.

Multiplying 12115446 by its sum of digits (24), we get a square (290770704 = 17052²).

Adding to 12115446 its reverse (64451121), we get a palindrome (76566567).

It can be divided in two parts, 12115 and 446, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 12115446 in words is "twelve million, one hundred fifteen thousand, four hundred forty-six".