13961528 has 32 divisors (see below), whose sum is σ = 30952800. Its totient is φ = 5776512.

The previous prime is 13961509. The next prime is 13961531. The reversal of 13961528 is 82516931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2675 + ... + 5922.

It is an arithmetic number, because the mean of its divisors is an integer number (967275).

Almost surely, 2^13961528 is an apocalyptic number.

It is an amenable number.

13961528 is an abundant number, since it is smaller than the sum of its proper divisors (16991272).

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

13961528 is a wasteful number, since it uses less digits than its factorization.

13961528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8639 (or 8635 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 13961528 is about 3736.5128127708. The cubic root of 13961528 is about 240.7932548524.

The spelling of 13961528 in words is "thirteen million, nine hundred sixty-one thousand, five hundred twenty-eight".