13738081 has 12 divisors (see below), whose sum is σ = 16079700. Its totient is φ = 11702880.

The previous prime is 13738079. The next prime is 13738093. The reversal of 13738081 is 18083731.

It can be written as a sum of positive squares in 2 ways, for example, as 1731856 + 12006225 = 1316^2 + 3465^2 .

It is not a de Polignac number, because 13738081 - 2¹ = 13738079 is a prime.

It is a super-2 number, since 2×13738081² = 377469739125122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13738001) 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, 8095 + ... + 9643.

It is an arithmetic number, because the mean of its divisors is an integer number (1339975).

Almost surely, 2^13738081 is an apocalyptic number.

It is an amenable number.

13738081 is a deficient number, since it is larger than the sum of its proper divisors (2341619).

13738081 is a wasteful number, since it uses less digits than its factorization.

13738081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 13738081 is about 3706.4917374790. The cubic root of 13738081 is about 239.5017498924.

The spelling of 13738081 in words is "thirteen million, seven hundred thirty-eight thousand, eighty-one".