13948518 has 32 divisors (see below), whose sum is σ = 28615680. Its totient is φ = 4531520.

The previous prime is 13948513. The next prime is 13948523. The reversal of 13948518 is 81584931.

It is an interprime number because it is at equal distance from previous prime (13948513) and next prime (13948523).

It is a super-2 number, since 2×13948518² = 389122308792648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13948513) 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 15 ways as a sum of consecutive naturals, for example, 58243 + ... + 58481.

It is an arithmetic number, because the mean of its divisors is an integer number (894240).

Almost surely, 2^13948518 is an apocalyptic number.

13948518 is an abundant number, since it is smaller than the sum of its proper divisors (14667162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13948518 is a wasteful number, since it uses less digits than its factorization.

13948518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its digits is 34560, while the sum is 39.

The square root of 13948518 is about 3734.7714789529. The cubic root of 13948518 is about 240.7184374967.

The spelling of 13948518 in words is "thirteen million, nine hundred forty-eight thousand, five hundred eighteen".