13700549 has 4 divisors (see below), whose sum is σ = 13836300. Its totient is φ = 13564800.

The previous prime is 13700527. The next prime is 13700551. The reversal of 13700549 is 94500731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13432225 + 268324 = 3665^2 + 518^2 .

It is a cyclic number.

It is not a de Polignac number, because 13700549 - 2¹² = 13696453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13700509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67724 + ... + 67925.

It is an arithmetic number, because the mean of its divisors is an integer number (3459075).

Almost surely, 2^13700549 is an apocalyptic number.

It is an amenable number.

13700549 is a deficient number, since it is larger than the sum of its proper divisors (135751).

13700549 is a wasteful number, since it uses less digits than its factorization.

13700549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135750.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13700549 is about 3701.4252660293. The cubic root of 13700549 is about 239.2834472539.

The spelling of 13700549 in words is "thirteen million, seven hundred thousand, five hundred forty-nine".