33012797 has 4 divisors (see below), whose sum is σ = 34448160. Its totient is φ = 31577436.

The previous prime is 33012787. The next prime is 33012809. The reversal of 33012797 is 79721033.

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 33012797 - 2⁴ = 33012781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33012767) 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, 717647 + ... + 717692.

It is an arithmetic number, because the mean of its divisors is an integer number (8612040).

Almost surely, 2^33012797 is an apocalyptic number.

It is an amenable number.

33012797 is a deficient number, since it is larger than the sum of its proper divisors (1435363).

33012797 is a wasteful number, since it uses less digits than its factorization.

33012797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435362.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 33012797 is about 5745.6763744576. The cubic root of 33012797 is about 320.7948890725.

The spelling of 33012797 in words is "thirty-three million, twelve thousand, seven hundred ninety-seven".