13481906 has 24 divisors (see below), whose sum is σ = 21726144. Its totient is φ = 6272280.

The previous prime is 13481899. The next prime is 13481921. The reversal of 13481906 is 60918431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51131 + ... + 51393.

It is an arithmetic number, because the mean of its divisors is an integer number (905256).

Almost surely, 2^13481906 is an apocalyptic number.

13481906 is a deficient number, since it is larger than the sum of its proper divisors (8244238).

13481906 is a wasteful number, since it uses less digits than its factorization.

13481906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 13481906 is about 3671.7715070521. The cubic root of 13481906 is about 238.0037308456.

The spelling of 13481906 in words is "thirteen million, four hundred eighty-one thousand, nine hundred six".