13946526 has 64 divisors (see below), whose sum is σ = 34525440. Its totient is φ = 4137120.

The previous prime is 13946503. The next prime is 13946531. The reversal of 13946526 is 62564931.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31261 + ... + 31703.

It is an arithmetic number, because the mean of its divisors is an integer number (539460).

Almost surely, 2^13946526 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13946526, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17262720).

13946526 is an abundant number, since it is smaller than the sum of its proper divisors (20578914).

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

13946526 is a wasteful number, since it uses less digits than its factorization.

13946526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 512 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 13946526 is about 3734.5047864476. The cubic root of 13946526 is about 240.7069778812.

It can be divided in two parts, 139 and 46526, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 13946526 in words is "thirteen million, nine hundred forty-six thousand, five hundred twenty-six".