13661802 has 48 divisors (see below), whose sum is σ = 36908352. Its totient is φ = 3548160.

The previous prime is 13661797. The next prime is 13661803. The reversal of 13661802 is 20816631.

13661802 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

13661802 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13661803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3543 + ... + 6314.

It is an arithmetic number, because the mean of its divisors is an integer number (768924).

Almost surely, 2^13661802 is an apocalyptic number.

13661802 is an abundant number, since it is smaller than the sum of its proper divisors (23246550).

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

13661802 is a wasteful number, since it uses less digits than its factorization.

13661802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9883 (or 9880 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 13661802 is about 3696.1874952443. The cubic root of 13661802 is about 239.0576589818.

The spelling of 13661802 in words is "thirteen million, six hundred sixty-one thousand, eight hundred two".