13945662 has 16 divisors (see below), whose sum is σ = 30990480. Its totient is φ = 4648536.

The previous prime is 13945651. The next prime is 13945663. The reversal of 13945662 is 26654931.

It is a happy number.

13945662 is a `hidden beast` number, since 1 + 3 + 94 + 566 + 2 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13945663) 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, 129073 + ... + 129180.

It is an arithmetic number, because the mean of its divisors is an integer number (1936905).

Almost surely, 2^13945662 is an apocalyptic number.

13945662 is an abundant number, since it is smaller than the sum of its proper divisors (17044818).

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

13945662 is a wasteful number, since it uses less digits than its factorization.

13945662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258264 (or 258258 counting only the distinct ones).

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

The square root of 13945662 is about 3734.3891066679. The cubic root of 13945662 is about 240.7020071064.

It can be divided in two parts, 1394 and 5662, that added together give a square (7056 = 84²).

The spelling of 13945662 in words is "thirteen million, nine hundred forty-five thousand, six hundred sixty-two".