33412013 has 4 divisors (see below), whose sum is σ = 35170560. Its totient is φ = 31653468.

The previous prime is 33411997. The next prime is 33412037. The reversal of 33412013 is 31021433.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 33412013 - 2⁴ = 33411997 is a prime.

It is a super-2 number, since 2×33412013² = 2232725225424338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 33411982 and 33412000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33412063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879245 + ... + 879282.

It is an arithmetic number, because the mean of its divisors is an integer number (8792640).

Almost surely, 2^33412013 is an apocalyptic number.

It is an amenable number.

33412013 is a deficient number, since it is larger than the sum of its proper divisors (1758547).

33412013 is a wasteful number, since it uses less digits than its factorization.

33412013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758546.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 33412013 is about 5780.3125348029. The cubic root of 33412013 is about 322.0828105108.

Adding to 33412013 its reverse (31021433), we get a palindrome (64433446).

The spelling of 33412013 in words is "thirty-three million, four hundred twelve thousand, thirteen".