13093749 has 24 divisors (see below), whose sum is σ = 19828224. Its totient is φ = 8316000.

The previous prime is 13093733. The next prime is 13093753. The reversal of 13093749 is 94739031.

It is not a de Polignac number, because 13093749 - 2⁴ = 13093733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13093789) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19479 + ... + 20139.

It is an arithmetic number, because the mean of its divisors is an integer number (826176).

Almost surely, 2^13093749 is an apocalyptic number.

It is an amenable number.

13093749 is a deficient number, since it is larger than the sum of its proper divisors (6734475).

13093749 is a wasteful number, since it uses less digits than its factorization.

13093749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769 (or 766 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The square root of 13093749 is about 3618.5285683548. The cubic root of 13093749 is about 235.6973341607.

The spelling of 13093749 in words is "thirteen million, ninety-three thousand, seven hundred forty-nine".