12550416 has 20 divisors (see below), whose sum is σ = 32422032. Its totient is φ = 4183456.

The previous prime is 12550411. The next prime is 12550441. The reversal of 12550416 is 61405521.

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

It is not an unprimeable number, because it can be changed into a prime (12550411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130686 + ... + 130781.

Almost surely, 2^12550416 is an apocalyptic number.

12550416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12550416 is an abundant number, since it is smaller than the sum of its proper divisors (19871616).

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

12550416 is a wasteful number, since it uses less digits than its factorization.

12550416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261478 (or 261472 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 12550416 is about 3542.6566302706. The cubic root of 12550416 is about 232.3910369286.

Adding to 12550416 its reverse (61405521), we get a palindrome (73955937).

The spelling of 12550416 in words is "twelve million, five hundred fifty thousand, four hundred sixteen".