12538810 has 16 divisors (see below), whose sum is σ = 22843296. Its totient is φ = 4954768.

The previous prime is 12538763. The next prime is 12538811. The reversal of 12538810 is 1883521.

It is a super-2 number, since 2×12538810² = 314443512432200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12538811) 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, 6724 + ... + 8383.

It is an arithmetic number, because the mean of its divisors is an integer number (1427706).

Almost surely, 2^12538810 is an apocalyptic number.

12538810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12538810 is a deficient number, since it is larger than the sum of its proper divisors (10304486).

12538810 is a wasteful number, since it uses less digits than its factorization.

12538810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15197.

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 12538810 is about 3541.0182151466. The cubic root of 12538810 is about 232.3193802814.

The spelling of 12538810 in words is "twelve million, five hundred thirty-eight thousand, eight hundred ten".