13945506 has 32 divisors (see below), whose sum is σ = 29592000. Its totient is φ = 4368960.

The previous prime is 13945493. The next prime is 13945531. The reversal of 13945506 is 60554931.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16576 + ... + 17396.

It is an arithmetic number, because the mean of its divisors is an integer number (924750).

Almost surely, 2^13945506 is an apocalyptic number.

13945506 is an abundant number, since it is smaller than the sum of its proper divisors (15646494).

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

13945506 is a wasteful number, since it uses less digits than its factorization.

13945506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 13945506 is about 3734.3682196591. The cubic root of 13945506 is about 240.7011095834.

The spelling of 13945506 in words is "thirteen million, nine hundred forty-five thousand, five hundred six".