12521190 has 64 divisors (see below), whose sum is σ = 34525440. Its totient is φ = 2874240.

The previous prime is 12521189. The next prime is 12521203. The reversal of 12521190 is 9112521.

It is a super-2 number, since 2×12521190² = 313560398032200, which contains 22 as substring.

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, 5272 + ... + 7268.

It is an arithmetic number, because the mean of its divisors is an integer number (539460).

Almost surely, 2^12521190 is an apocalyptic number.

12521190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12521190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17262720).

12521190 is an abundant number, since it is smaller than the sum of its proper divisors (22004250).

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

12521190 is a wasteful number, since it uses less digits than its factorization.

12521190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 12521190 is about 3538.5293555374. The cubic root of 12521190 is about 232.2105080038.

It can be divided in two parts, 1252 and 1190, that added together give a palindrome (2442).

The spelling of 12521190 in words is "twelve million, five hundred twenty-one thousand, one hundred ninety".