12451740 has 96 divisors (see below), whose sum is σ = 41610240. Its totient is φ = 2720256.

The previous prime is 12451727. The next prime is 12451787. The reversal of 12451740 is 4715421.

It is a self number, because there is not a number n which added to its sum of digits gives 12451740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9016 + ... + 10304.

It is an arithmetic number, because the mean of its divisors is an integer number (433440).

Almost surely, 2^12451740 is an apocalyptic number.

12451740 is a gapful number since it is divisible by the number (10) 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 12451740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20805120).

12451740 is an abundant number, since it is smaller than the sum of its proper divisors (29158500).

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

12451740 is a wasteful number, since it uses less digits than its factorization.

12451740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331 (or 1329 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 12451740 is about 3528.7023110486. The cubic root of 12451740 is about 231.7803857152.

The spelling of 12451740 in words is "twelve million, four hundred fifty-one thousand, seven hundred forty".