13913437 has 2 divisors, whose sum is σ = 13913438. Its totient is φ = 13913436.

The previous prime is 13913423. The next prime is 13913461. The reversal of 13913437 is 73431931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9156676 + 4756761 = 3026^2 + 2181^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13913437 is a prime.

It is a super-3 number, since 3×13913437³ (a number of 22 digits) contains 333 as substring.

It is equal to p₉₀₄₈₈₂ and since 13913437 and 904882 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 13913399 and 13913408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13913407) 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 as a sum of consecutive naturals, namely, 6956718 + 6956719.

It is an arithmetic number, because the mean of its divisors is an integer number (6956719).

Almost surely, 2^13913437 is an apocalyptic number.

It is an amenable number.

13913437 is a deficient number, since it is larger than the sum of its proper divisors (1).

13913437 is an equidigital number, since it uses as much as digits as its factorization.

13913437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 31.

The square root of 13913437 is about 3730.0719832196. The cubic root of 13913437 is about 240.5164630423.

The spelling of 13913437 in words is "thirteen million, nine hundred thirteen thousand, four hundred thirty-seven".