13959413 has 8 divisors (see below), whose sum is σ = 15687168. Its totient is φ = 12325104.

The previous prime is 13959409. The next prime is 13959437. The reversal of 13959413 is 31495931.

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 13959413 - 2² = 13959409 is a prime.

It is a super-2 number, since 2×13959413² = 389730422609138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13959403) 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 7 ways as a sum of consecutive naturals, for example, 23045 + ... + 23642.

It is an arithmetic number, because the mean of its divisors is an integer number (1960896).

Almost surely, 2^13959413 is an apocalyptic number.

13959413 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13959413 is a deficient number, since it is larger than the sum of its proper divisors (1727755).

13959413 is a wasteful number, since it uses less digits than its factorization.

13959413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46723.

The product of its digits is 14580, while the sum is 35.

The square root of 13959413 is about 3736.2297841541. The cubic root of 13959413 is about 240.7810951649.

The spelling of 13959413 in words is "thirteen million, nine hundred fifty-nine thousand, four hundred thirteen".