13039733 has 6 divisors (see below), whose sum is σ = 15168726. Its totient is φ = 11176872.

The previous prime is 13039721. The next prime is 13039751. The reversal of 13039733 is 33793031.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9878449 + 3161284 = 3143^2 + 1778^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13039733 is a prime.

It is a super-2 number, since 2×13039733² = 340069273422578, 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 = 13039696 and 13039705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13039703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133010 + ... + 133107.

It is an arithmetic number, because the mean of its divisors is an integer number (2528121).

Almost surely, 2^13039733 is an apocalyptic number.

It is an amenable number.

13039733 is a deficient number, since it is larger than the sum of its proper divisors (2128993).

13039733 is an equidigital number, since it uses as much as digits as its factorization.

13039733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266131 (or 266124 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 29.

The square root of 13039733 is about 3611.0570474585. The cubic root of 13039733 is about 235.3727779027.

The spelling of 13039733 in words is "thirteen million, thirty-nine thousand, seven hundred thirty-three".