13983437 has 4 divisors (see below), whose sum is σ = 15059100. Its totient is φ = 12907776.

The previous prime is 13983433. The next prime is 13983439. The reversal of 13983437 is 73438931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73438931 = 23 ⋅3192997.

It can be written as a sum of positive squares in 2 ways, for example, as 3556996 + 10426441 = 1886^2 + 3229^2 .

It is a cyclic number.

It is not a de Polignac number, because 13983437 - 2² = 13983433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13983437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13983433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537812 + ... + 537837.

It is an arithmetic number, because the mean of its divisors is an integer number (3764775).

Almost surely, 2^13983437 is an apocalyptic number.

It is an amenable number.

13983437 is a deficient number, since it is larger than the sum of its proper divisors (1075663).

13983437 is a wasteful number, since it uses less digits than its factorization.

13983437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075662.

The product of its digits is 54432, while the sum is 38.

The square root of 13983437 is about 3739.4434077814. The cubic root of 13983437 is about 240.9191432292.

The spelling of 13983437 in words is "thirteen million, nine hundred eighty-three thousand, four hundred thirty-seven".