13948237 has 4 divisors (see below), whose sum is σ = 14245056. Its totient is φ = 13651420.

The previous prime is 13948213. The next prime is 13948243. The reversal of 13948237 is 73284931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13948237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13948196 and 13948205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13948247) 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 3 ways as a sum of consecutive naturals, for example, 148339 + ... + 148432.

It is an arithmetic number, because the mean of its divisors is an integer number (3561264).

Almost surely, 2^13948237 is an apocalyptic number.

It is an amenable number.

13948237 is a deficient number, since it is larger than the sum of its proper divisors (296819).

13948237 is an equidigital number, since it uses as much as digits as its factorization.

13948237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296818.

The product of its digits is 36288, while the sum is 37.

The square root of 13948237 is about 3734.7338593265. The cubic root of 13948237 is about 240.7168210206.

The spelling of 13948237 in words is "thirteen million, nine hundred forty-eight thousand, two hundred thirty-seven".