13453738 has 8 divisors (see below), whose sum is σ = 20876580. Its totient is φ = 6494880.

The previous prime is 13453723. The next prime is 13453747. The reversal of 13453738 is 83735431.

13453738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13373649 + 80089 = 3657^2 + 283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115923 + ... + 116038.

Almost surely, 2^13453738 is an apocalyptic number.

13453738 is a deficient number, since it is larger than the sum of its proper divisors (7422842).

13453738 is a wasteful number, since it uses less digits than its factorization.

13453738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231992.

The product of its digits is 30240, while the sum is 34.

The square root of 13453738 is about 3667.9337507649. The cubic root of 13453738 is about 237.8378600479.

The spelling of 13453738 in words is "thirteen million, four hundred fifty-three thousand, seven hundred thirty-eight".