13669662 has 8 divisors (see below), whose sum is σ = 27339336. Its totient is φ = 4556552.

The previous prime is 13669661. The next prime is 13669681. The reversal of 13669662 is 26696631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

13669662 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 13669662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13669661) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1139133 + ... + 1139144.

It is an arithmetic number, because the mean of its divisors is an integer number (3417417).

Almost surely, 2^13669662 is an apocalyptic number.

13669662 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13669662 is a wasteful number, since it uses less digits than its factorization.

13669662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278282.

The product of its digits is 69984, while the sum is 39.

The square root of 13669662 is about 3697.2506001081. The cubic root of 13669662 is about 239.1034956138.

It can be divided in two parts, 1 and 3669662, that added together give a palindrome (3669663).

The spelling of 13669662 in words is "thirteen million, six hundred sixty-nine thousand, six hundred sixty-two".