13948537 has 4 divisors (see below), whose sum is σ = 14058496. Its totient is φ = 13838580.

The previous prime is 13948531. The next prime is 13948541. The reversal of 13948537 is 73584931.

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 not a de Polignac number, because 13948537 - 2¹¹ = 13946489 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 13948537.

It is not an unprimeable number, because it can be changed into a prime (13948531) 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, 54789 + ... + 55042.

It is an arithmetic number, because the mean of its divisors is an integer number (3514624).

Almost surely, 2^13948537 is an apocalyptic number.

It is an amenable number.

13948537 is a deficient number, since it is larger than the sum of its proper divisors (109959).

13948537 is a wasteful number, since it uses less digits than its factorization.

13948537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109958.

The product of its digits is 90720, while the sum is 40.

The square root of 13948537 is about 3734.7740226150. The cubic root of 13948537 is about 240.7185467950.

The spelling of 13948537 in words is "thirteen million, nine hundred forty-eight thousand, five hundred thirty-seven".