13961545 has 16 divisors (see below), whose sum is σ = 18123840. Its totient is φ = 10263744.

The previous prime is 13961537. The next prime is 13961551. The reversal of 13961545 is 54516931.

It is a cyclic number.

It is not a de Polignac number, because 13961545 - 2³ = 13961537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13961545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22246 + ... + 22864.

It is an arithmetic number, because the mean of its divisors is an integer number (1132740).

Almost surely, 2^13961545 is an apocalyptic number.

It is an amenable number.

13961545 is a deficient number, since it is larger than the sum of its proper divisors (4162295).

13961545 is a wasteful number, since it uses less digits than its factorization.

13961545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its digits is 16200, while the sum is 34.

The square root of 13961545 is about 3736.5150876184. The cubic root of 13961545 is about 240.7933525849.

The spelling of 13961545 in words is "thirteen million, nine hundred sixty-one thousand, five hundred forty-five".