15630412 has 36 divisors (see below), whose sum is σ = 33697944. Its totient is φ = 6303360.

The previous prime is 15630401. The next prime is 15630421. The reversal of 15630412 is 21403651.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 987 + ... + 5677.

It is an arithmetic number, because the mean of its divisors is an integer number (936054).

Almost surely, 2^15630412 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 15630412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16848972).

15630412 is an abundant number, since it is smaller than the sum of its proper divisors (18067532).

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

15630412 is a wasteful number, since it uses less digits than its factorization.

15630412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4726 (or 4717 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 15630412 is about 3953.5315858103. The cubic root of 15630412 is about 250.0288606681.

The spelling of 15630412 in words is "fifteen million, six hundred thirty thousand, four hundred twelve".