13673439 has 12 divisors (see below), whose sum is σ = 21269976. Its totient is φ = 8414352.

The previous prime is 13673437. The next prime is 13673447. The reversal of 13673439 is 93437631.

It is not a de Polignac number, because 13673439 - 2¹ = 13673437 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13673437) 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, 58317 + ... + 58550.

It is an arithmetic number, because the mean of its divisors is an integer number (1772498).

Almost surely, 2^13673439 is an apocalyptic number.

13673439 is a deficient number, since it is larger than the sum of its proper divisors (7596537).

13673439 is a wasteful number, since it uses less digits than its factorization.

13673439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116886 (or 116883 counting only the distinct ones).

The product of its digits is 40824, while the sum is 36.

The square root of 13673439 is about 3697.7613497899. The cubic root of 13673439 is about 239.1255154398.

The spelling of 13673439 in words is "thirteen million, six hundred seventy-three thousand, four hundred thirty-nine".