13661048 has 8 divisors (see below), whose sum is σ = 25614480. Its totient is φ = 6830520.

The previous prime is 13661033. The next prime is 13661071. The reversal of 13661048 is 84016631.

13661048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 13661048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 853808 + ... + 853823.

It is an arithmetic number, because the mean of its divisors is an integer number (3201810).

Almost surely, 2^13661048 is an apocalyptic number.

It is an amenable number.

13661048 is a deficient number, since it is larger than the sum of its proper divisors (11953432).

13661048 is a wasteful number, since it uses less digits than its factorization.

13661048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707637 (or 1707633 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13661048 is about 3696.0854968466. The cubic root of 13661048 is about 239.0532610068.

Adding to 13661048 its reverse (84016631), we get a palindrome (97677679).

The spelling of 13661048 in words is "thirteen million, six hundred sixty-one thousand, forty-eight".