13412661 has 8 divisors (see below), whose sum is σ = 17945760. Its totient is φ = 8910672.

The previous prime is 13412629. The next prime is 13412671. The reversal of 13412661 is 16621431.

13412661 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13412661 - 2⁵ = 13412629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13412671) 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, 6751 + ... + 8508.

It is an arithmetic number, because the mean of its divisors is an integer number (2243220).

Almost surely, 2^13412661 is an apocalyptic number.

It is an amenable number.

13412661 is a deficient number, since it is larger than the sum of its proper divisors (4533099).

13412661 is a wasteful number, since it uses less digits than its factorization.

13412661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15555.

The product of its digits is 864, while the sum is 24.

The square root of 13412661 is about 3662.3299960544. The cubic root of 13412661 is about 237.5955574848.

The spelling of 13412661 in words is "thirteen million, four hundred twelve thousand, six hundred sixty-one".