12650624 has 48 divisors (see below), whose sum is σ = 29331630. Its totient is φ = 5419008.

The previous prime is 12650609. The next prime is 12650639. The reversal of 12650624 is 42605621.

It is an interprime number because it is at equal distance from previous prime (12650609) and next prime (12650639).

It can be written as a sum of positive squares in only one way, i.e., 8809024 + 3841600 = 2968^2 + 1960^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12650593 and 12650602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5264 + ... + 7280.

Almost surely, 2^12650624 is an apocalyptic number.

12650624 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12650624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14665815).

12650624 is an abundant number, since it is smaller than the sum of its proper divisors (16681006).

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

12650624 is an equidigital number, since it uses as much as digits as its factorization.

12650624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 12650624 is about 3556.7715698369. The cubic root of 12650624 is about 233.0079018853.

The spelling of 12650624 in words is "twelve million, six hundred fifty thousand, six hundred twenty-four".