13623738 has 16 divisors (see below), whose sum is σ = 27457056. Its totient is φ = 4506320.

The previous prime is 13623737. The next prime is 13623763. The reversal of 13623738 is 83732631.

It is a junction number, because it is equal to n+sod(n) for n = 13623699 and 13623708.

It is not an unprimeable number, because it can be changed into a prime (13623737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7881 + ... + 9452.

It is an arithmetic number, because the mean of its divisors is an integer number (1716066).

Almost surely, 2^13623738 is an apocalyptic number.

13623738 is an abundant number, since it is smaller than the sum of its proper divisors (13833318).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13623738 is a wasteful number, since it uses less digits than its factorization.

13623738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17469.

The product of its digits is 18144, while the sum is 33.

The square root of 13623738 is about 3691.0348142493. The cubic root of 13623738 is about 238.8354346436.

The spelling of 13623738 in words is "thirteen million, six hundred twenty-three thousand, seven hundred thirty-eight".