12510740 has 96 divisors (see below), whose sum is σ = 31328640. Its totient is φ = 4147200.

The previous prime is 12510737. The next prime is 12510779. The reversal of 12510740 is 4701521.

12510740 is nontrivially palindromic in base 9.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171344 + ... + 171416.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

Almost surely, 2^12510740 is an apocalyptic number.

12510740 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 12510740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15664320).

12510740 is an abundant number, since it is smaller than the sum of its proper divisors (18817900).

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

12510740 is a wasteful number, since it uses less digits than its factorization.

12510740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12510740 is about 3537.0524451865. The cubic root of 12510740 is about 232.1458902055.

The spelling of 12510740 in words is "twelve million, five hundred ten thousand, seven hundred forty".