13669772 has 24 divisors (see below), whose sum is σ = 24514560. Its totient is φ = 6667920.

The previous prime is 13669771. The next prime is 13669783. The reversal of 13669772 is 27796631.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13669771) 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, 35879 + ... + 36257.

It is an arithmetic number, because the mean of its divisors is an integer number (1021440).

Almost surely, 2^13669772 is an apocalyptic number.

It is an amenable number.

13669772 is a deficient number, since it is larger than the sum of its proper divisors (10844788).

13669772 is a wasteful number, since it uses less digits than its factorization.

13669772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 579 counting only the distinct ones).

The product of its digits is 95256, while the sum is 41.

The square root of 13669772 is about 3697.2654759971. The cubic root of 13669772 is about 239.1041369686.

It can be divided in two parts, 13669 and 772, that added together give a palindrome (14441).

The spelling of 13669772 in words is "thirteen million, six hundred sixty-nine thousand, seven hundred seventy-two".