13406733 has 6 divisors (see below), whose sum is σ = 19365294. Its totient is φ = 8937816.

The previous prime is 13406711. The next prime is 13406737. The reversal of 13406733 is 33760431.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11923209 + 1483524 = 3453^2 + 1218^2 .

It is not a de Polignac number, because 13406733 - 2¹² = 13402637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13406697 and 13406706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13406737) 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, 744810 + ... + 744827.

It is an arithmetic number, because the mean of its divisors is an integer number (3227549).

Almost surely, 2^13406733 is an apocalyptic number.

It is an amenable number.

13406733 is a deficient number, since it is larger than the sum of its proper divisors (5958561).

13406733 is a wasteful number, since it uses less digits than its factorization.

13406733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489643 (or 1489640 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 13406733 is about 3661.5205857676. The cubic root of 13406733 is about 237.5605489204.

The spelling of 13406733 in words is "thirteen million, four hundred six thousand, seven hundred thirty-three".