13959066 has 16 divisors (see below), whose sum is σ = 30456288. Its totient is φ = 4230000.

The previous prime is 13959061. The next prime is 13959073. The reversal of 13959066 is 66095931.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13959061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105685 + ... + 105816.

It is an arithmetic number, because the mean of its divisors is an integer number (1903518).

Almost surely, 2^13959066 is an apocalyptic number.

13959066 is an abundant number, since it is smaller than the sum of its proper divisors (16497222).

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

13959066 is a wasteful number, since it uses less digits than its factorization.

13959066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211517.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 13959066 is about 3736.1833466788. The cubic root of 13959066 is about 240.7791000540.

It can be divided in two parts, 139590 and 66, that added together give a triangular number (139656 = T₅₂₈).

The spelling of 13959066 in words is "thirteen million, nine hundred fifty-nine thousand, sixty-six".