12907650 has 96 divisors (see below), whose sum is σ = 38568960. Its totient is φ = 2790720.

The previous prime is 12907649. The next prime is 12907663. The reversal of 12907650 is 5670921.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19627 + ... + 20273.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^12907650 is an apocalyptic number.

12907650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12907650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19284480).

12907650 is an abundant number, since it is smaller than the sum of its proper divisors (25661310).

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

12907650 is a wasteful number, since it uses less digits than its factorization.

12907650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 12907650 is about 3592.7218094364. The cubic root of 12907650 is about 234.5753611121.

The spelling of 12907650 in words is "twelve million, nine hundred seven thousand, six hundred fifty".