33699013 has 2 divisors, whose sum is σ = 33699014. Its totient is φ = 33699012.

The previous prime is 33699011. The next prime is 33699031. The reversal of 33699013 is 31099633.

It is a happy number.

Together with next prime (33699031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25735329 + 7963684 = 5073^2 + 2822^2 .

It is a cyclic number.

It is not a de Polignac number, because 33699013 - 2¹ = 33699011 is a prime.

It is a super-2 number, since 2×33699013² = 2271246954348338, which contains 22 as substring.

Together with 33699011, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 33699013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33699011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16849506 + 16849507.

It is an arithmetic number, because the mean of its divisors is an integer number (16849507).

Almost surely, 2^33699013 is an apocalyptic number.

It is an amenable number.

33699013 is a deficient number, since it is larger than the sum of its proper divisors (1).

33699013 is an equidigital number, since it uses as much as digits as its factorization.

33699013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 33699013 is about 5805.0850984288. The cubic root of 33699013 is about 323.0023834680.

The spelling of 33699013 in words is "thirty-three million, six hundred ninety-nine thousand, thirteen".