12591030 has 16 divisors (see below), whose sum is σ = 30218544. Its totient is φ = 3357600.

The previous prime is 12591023. The next prime is 12591031. The reversal of 12591030 is 3019521.

12591030 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12590988 and 12591006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12591031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209821 + ... + 209880.

It is an arithmetic number, because the mean of its divisors is an integer number (1888659).

Almost surely, 2^12591030 is an apocalyptic number.

12591030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12591030 is an abundant number, since it is smaller than the sum of its proper divisors (17627514).

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

12591030 is a wasteful number, since it uses less digits than its factorization.

12591030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419711.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 12591030 is about 3548.3841392950. The cubic root of 12591030 is about 232.6414447454.

The spelling of 12591030 in words is "twelve million, five hundred ninety-one thousand, thirty".