12631416 has 96 divisors (see below), whose sum is σ = 38413440. Its totient is φ = 3444672.

The previous prime is 12631387. The next prime is 12631417. The reversal of 12631416 is 61413621.

12631416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12631417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26815 + ... + 27281.

It is an arithmetic number, because the mean of its divisors is an integer number (400140).

Almost surely, 2^12631416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12631416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19206720).

12631416 is an abundant number, since it is smaller than the sum of its proper divisors (25782024).

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

12631416 is a wasteful number, since it uses less digits than its factorization.

12631416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 502 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 12631416 is about 3554.0703425791. The cubic root of 12631416 is about 232.8899134270.

The spelling of 12631416 in words is "twelve million, six hundred thirty-one thousand, four hundred sixteen".