13379531 has 8 divisors (see below), whose sum is σ = 14646528. Its totient is φ = 12121000.

The previous prime is 13379473. The next prime is 13379543. The reversal of 13379531 is 13597331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13379531 - 2⁶ = 13379467 is a prime.

It is a super-2 number, since 2×13379531² = 358023699559922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13379581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1466 + ... + 5376.

It is an arithmetic number, because the mean of its divisors is an integer number (1830816).

Almost surely, 2^13379531 is an apocalyptic number.

13379531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13379531 is a deficient number, since it is larger than the sum of its proper divisors (1266997).

13379531 is a wasteful number, since it uses less digits than its factorization.

13379531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4233.

The product of its digits is 8505, while the sum is 32.

The square root of 13379531 is about 3657.8041226944. The cubic root of 13379531 is about 237.3997715585.

The spelling of 13379531 in words is "thirteen million, three hundred seventy-nine thousand, five hundred thirty-one".