12522890 has 16 divisors (see below), whose sum is σ = 23066208. Its totient is φ = 4892496.

The previous prime is 12522877. The next prime is 12522907. The reversal of 12522890 is 9822521.

It is an unprimeable number.

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, 14132 + ... + 14991.

It is an arithmetic number, because the mean of its divisors is an integer number (1441638).

Almost surely, 2^12522890 is an apocalyptic number.

12522890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12522890 is a deficient number, since it is larger than the sum of its proper divisors (10543318).

12522890 is a wasteful number, since it uses less digits than its factorization.

12522890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29173.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 12522890 is about 3538.7695601720. The cubic root of 12522890 is about 232.2210165897.

The spelling of 12522890 in words is "twelve million, five hundred twenty-two thousand, eight hundred ninety".