12538335 has 16 divisors (see below), whose sum is σ = 20934144. Its totient is φ = 6396192.

The previous prime is 12538321. The next prime is 12538343. The reversal of 12538335 is 53383521.

It is not a de Polignac number, because 12538335 - 2⁴ = 12538319 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17827 + ... + 18516.

It is an arithmetic number, because the mean of its divisors is an integer number (1308384).

Almost surely, 2^12538335 is an apocalyptic number.

12538335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12538335 is a deficient number, since it is larger than the sum of its proper divisors (8395809).

12538335 is a wasteful number, since it uses less digits than its factorization.

12538335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36374.

The product of its digits is 10800, while the sum is 30.

The square root of 12538335 is about 3540.9511434077. The cubic root of 12538335 is about 232.3164466405.

The spelling of 12538335 in words is "twelve million, five hundred thirty-eight thousand, three hundred thirty-five".