12520090 has 16 divisors (see below), whose sum is σ = 24585120. Its totient is φ = 4552720.

The previous prime is 12520051. The next prime is 12520091. The reversal of 12520090 is 9002521.

It is not an unprimeable number, because it can be changed into a prime (12520091) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56800 + ... + 57019.

It is an arithmetic number, because the mean of its divisors is an integer number (1536570).

Almost surely, 2^12520090 is an apocalyptic number.

12520090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12520090 is a deficient number, since it is larger than the sum of its proper divisors (12065030).

12520090 is a wasteful number, since it uses less digits than its factorization.

12520090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113837.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12520090 is about 3538.3739203199. The cubic root of 12520090 is about 232.2037078238.

The spelling of 12520090 in words is "twelve million, five hundred twenty thousand, ninety".