11993733 has 12 divisors (see below), whose sum is σ = 17922060. Its totient is φ = 7719936.

The previous prime is 11993719. The next prime is 11993743. The reversal of 11993733 is 33739911.

It can be written as a sum of positive squares in 2 ways, for example, as 4848804 + 7144929 = 2202^2 + 2673^2 .

It is not a de Polignac number, because 11993733 - 2⁴ = 11993717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11993743) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22716 + ... + 23237.

It is an arithmetic number, because the mean of its divisors is an integer number (1493505).

Almost surely, 2^11993733 is an apocalyptic number.

It is an amenable number.

11993733 is a deficient number, since it is larger than the sum of its proper divisors (5928327).

11993733 is a wasteful number, since it uses less digits than its factorization.

11993733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45988 (or 45985 counting only the distinct ones).

The product of its digits is 15309, while the sum is 36.

The square root of 11993733 is about 3463.1969334706. The cubic root of 11993733 is about 228.9029864363.

The spelling of 11993733 in words is "eleven million, nine hundred ninety-three thousand, seven hundred thirty-three".