12591480 has 64 divisors (see below), whose sum is σ = 41212800. Its totient is φ = 3052160.

The previous prime is 12591479. The next prime is 12591493. The reversal of 12591480 is 8419521.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3450 + ... + 6089.

It is an arithmetic number, because the mean of its divisors is an integer number (643950).

Almost surely, 2^12591480 is an apocalyptic number.

12591480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12591480 is an abundant number, since it is smaller than the sum of its proper divisors (28621320).

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

12591480 is a wasteful number, since it uses less digits than its factorization.

12591480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9564 (or 9560 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 12591480 is about 3548.4475478722. The cubic root of 12591480 is about 232.6442162264.

The spelling of 12591480 in words is "twelve million, five hundred ninety-one thousand, four hundred eighty".