13091679 has 16 divisors (see below), whose sum is σ = 19455840. Its totient is φ = 8700480.

The previous prime is 13091677. The next prime is 13091693. The reversal of 13091679 is 97619031.

It is not a de Polignac number, because 13091679 - 2¹ = 13091677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13091677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11809 + ... + 12869.

It is an arithmetic number, because the mean of its divisors is an integer number (1215990).

Almost surely, 2^13091679 is an apocalyptic number.

13091679 is a deficient number, since it is larger than the sum of its proper divisors (6364161).

13091679 is a wasteful number, since it uses less digits than its factorization.

13091679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527 (or 1521 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 36.

The square root of 13091679 is about 3618.2425291846. The cubic root of 13091679 is about 235.6849129870.

It can be divided in two parts, 130 and 91679, that added together give a square (91809 = 303²).

The spelling of 13091679 in words is "thirteen million, ninety-one thousand, six hundred seventy-nine".