12591460 has 24 divisors (see below), whose sum is σ = 30219840. Its totient is φ = 4317024.

The previous prime is 12591451. The next prime is 12591479. The reversal of 12591460 is 6419521.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44830 + ... + 45109.

It is an arithmetic number, because the mean of its divisors is an integer number (1259160).

Almost surely, 2^12591460 is an apocalyptic number.

12591460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12591460 is an abundant number, since it is smaller than the sum of its proper divisors (17628380).

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

12591460 is a wasteful number, since it uses less digits than its factorization.

12591460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89955 (or 89953 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 12591460 is about 3548.4447297372. Note that the first 3 decimals coincide. The cubic root of 12591460 is about 232.6440930509.

The spelling of 12591460 in words is "twelve million, five hundred ninety-one thousand, four hundred sixty".