12538933 has 16 divisors (see below), whose sum is σ = 14774400. Its totient is φ = 10521280.

The previous prime is 12538931. The next prime is 12538949. The reversal of 12538933 is 33983521.

It is not a de Polignac number, because 12538933 - 2¹ = 12538931 is a prime.

It is a super-3 number, since 3×12538933³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12538931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6483 + ... + 8191.

It is an arithmetic number, because the mean of its divisors is an integer number (923400).

Almost surely, 2^12538933 is an apocalyptic number.

It is an amenable number.

12538933 is a deficient number, since it is larger than the sum of its proper divisors (2235467).

12538933 is a wasteful number, since it uses less digits than its factorization.

12538933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772.

The product of its digits is 19440, while the sum is 34.

The square root of 12538933 is about 3541.0355829898. The cubic root of 12538933 is about 232.3201399279.

The spelling of 12538933 in words is "twelve million, five hundred thirty-eight thousand, nine hundred thirty-three".