13249701 has 12 divisors (see below), whose sum is σ = 19262412. Its totient is φ = 8775936.

The previous prime is 13249699. The next prime is 13249721. The reversal of 13249701 is 10794231.

13249701 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2556801 + 10692900 = 1599^2 + 3270^2 .

It is not a de Polignac number, because 13249701 - 2¹ = 13249699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13249721) 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 11 ways as a sum of consecutive naturals, for example, 3276 + ... + 6101.

It is an arithmetic number, because the mean of its divisors is an integer number (1605201).

Almost surely, 2^13249701 is an apocalyptic number.

It is an amenable number.

13249701 is a deficient number, since it is larger than the sum of its proper divisors (6012711).

13249701 is a wasteful number, since it uses less digits than its factorization.

13249701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9540 (or 9537 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 13249701 is about 3640.0138735999. The cubic root of 13249701 is about 236.6293946021.

It can be divided in two parts, 1324 and 9701, that added together give a square (11025 = 105²).

The spelling of 13249701 in words is "thirteen million, two hundred forty-nine thousand, seven hundred one".