13388049 has 12 divisors (see below), whose sum is σ = 19408116. Its totient is φ = 8893152.

The previous prime is 13388041. The next prime is 13388057. The reversal of 13388049 is 94088331.

It is an interprime number because it is at equal distance from previous prime (13388041) and next prime (13388057).

It can be written as a sum of positive squares in 2 ways, for example, as 12852225 + 535824 = 3585^2 + 732^2 .

It is not a de Polignac number, because 13388049 - 2³ = 13388041 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 not an unprimeable number, because it can be changed into a prime (13388041) 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, 99 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (1617343).

Almost surely, 2^13388049 is an apocalyptic number.

It is an amenable number.

13388049 is a deficient number, since it is larger than the sum of its proper divisors (6020067).

13388049 is a wasteful number, since it uses less digits than its factorization.

13388049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5376 (or 5373 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 13388049 is about 3658.9682972117. The cubic root of 13388049 is about 237.4501405954.

The spelling of 13388049 in words is "thirteen million, three hundred eighty-eight thousand, forty-nine".